Home / 10,414.12-15,617.76-3,487

Finding the Fourth Proportional to 10,414.12, 15,617.76 and 3,487

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Solution

The fourth proportional to 10,414.12, 15,617.76 and 3,487 is: 5,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.12 : 15,617.76 = 3,487 : x
  2. Step 2: Convert to fraction form
    10,414.12/15,617.76 = 3,487/x
  3. Step 3: Cross multiply
    10,414.12x = 15,617.76 × 3,487
  4. Step 4: Simplify right side
    10,414.12x = 54,459,129.12
  5. Step 5: Solve for x
    x = 54,459,129.12/10,414.12
  6. Step 6: Final answer
    x = 5,229.35

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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.