Home / 19,517.52-29,324.42-12,500.57

Finding the Fourth Proportional to 19,517.52, 29,324.42 and 12,500.57

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Solution

The fourth proportional to 19,517.52, 29,324.42 and 12,500.57 is: 18,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.52 : 29,324.42 = 12,500.57 : x
  2. Step 2: Convert to fraction form
    19,517.52/29,324.42 = 12,500.57/x
  3. Step 3: Cross multiply
    19,517.52x = 29,324.42 × 12,500.57
  4. Step 4: Simplify right side
    19,517.52x = 366,571,755.79
  5. Step 5: Solve for x
    x = 366,571,755.79/19,517.52
  6. Step 6: Final answer
    x = 18,781.68

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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.