Home / 13,227.84-18,254.04-7,484.76

Finding the Fourth Proportional to 13,227.84, 18,254.04 and 7,484.76

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Solution

The fourth proportional to 13,227.84, 18,254.04 and 7,484.76 is: 10,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.84 : 18,254.04 = 7,484.76 : x
  2. Step 2: Convert to fraction form
    13,227.84/18,254.04 = 7,484.76/x
  3. Step 3: Cross multiply
    13,227.84x = 18,254.04 × 7,484.76
  4. Step 4: Simplify right side
    13,227.84x = 136,627,108.43
  5. Step 5: Solve for x
    x = 136,627,108.43/13,227.84
  6. Step 6: Final answer
    x = 10,328.75

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Find fourth proportional to 6,613.92, 9,127.02 and 3,742.38
Half scale
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Double scale
Find fourth proportional to 13,228.84, 18,255.42 and 7,485.76
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.