Home / 13,417.13-20,125.67-3,557.18

Finding the Fourth Proportional to 13,417.13, 20,125.67 and 3,557.18

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Solution

The fourth proportional to 13,417.13, 20,125.67 and 3,557.18 is: 5,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.13 : 20,125.67 = 3,557.18 : x
  2. Step 2: Convert to fraction form
    13,417.13/20,125.67 = 3,557.18/x
  3. Step 3: Cross multiply
    13,417.13x = 20,125.67 × 3,557.18
  4. Step 4: Simplify right side
    13,417.13x = 71,590,512.40
  5. Step 5: Solve for x
    x = 71,590,512.40/13,417.13
  6. Step 6: Final answer
    x = 5,335.76

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.