Home / 18,228.24-25,166.16-13,208.76

Finding the Fourth Proportional to 18,228.24, 25,166.16 and 13,208.76

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Solution

The fourth proportional to 18,228.24, 25,166.16 and 13,208.76 is: 18,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.24 : 25,166.16 = 13,208.76 : x
  2. Step 2: Convert to fraction form
    18,228.24/25,166.16 = 13,208.76/x
  3. Step 3: Cross multiply
    18,228.24x = 25,166.16 × 13,208.76
  4. Step 4: Simplify right side
    18,228.24x = 332,413,767.56
  5. Step 5: Solve for x
    x = 332,413,767.56/18,228.24
  6. Step 6: Final answer
    x = 18,236.20

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Find fourth proportional to 9,114.12, 12,583.08 and 6,604.38
Half scale
Find fourth proportional to 36,456.48, 50,332.32 and 26,417.52
Double scale
Find fourth proportional to 18,229.24, 25,167.54 and 13,209.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.