Home / 16,906.38-25,414.17-15,688.86

Finding the Fourth Proportional to 16,906.38, 25,414.17 and 15,688.86

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Solution

The fourth proportional to 16,906.38, 25,414.17 and 15,688.86 is: 23,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.38 : 25,414.17 = 15,688.86 : x
  2. Step 2: Convert to fraction form
    16,906.38/25,414.17 = 15,688.86/x
  3. Step 3: Cross multiply
    16,906.38x = 25,414.17 × 15,688.86
  4. Step 4: Simplify right side
    16,906.38x = 398,719,355.15
  5. Step 5: Solve for x
    x = 398,719,355.15/16,906.38
  6. Step 6: Final answer
    x = 23,583.96

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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.