Home / 19,542.29-29,298.86-9,151.61

Finding the Fourth Proportional to 19,542.29, 29,298.86 and 9,151.61

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Solution

The fourth proportional to 19,542.29, 29,298.86 and 9,151.61 is: 13,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.29 : 29,298.86 = 9,151.61 : x
  2. Step 2: Convert to fraction form
    19,542.29/29,298.86 = 9,151.61/x
  3. Step 3: Cross multiply
    19,542.29x = 29,298.86 × 9,151.61
  4. Step 4: Simplify right side
    19,542.29x = 268,131,694.41
  5. Step 5: Solve for x
    x = 268,131,694.41/19,542.29
  6. Step 6: Final answer
    x = 13,720.59

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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.