Home / 19,397.61-29,091.11-5,354.28

Finding the Fourth Proportional to 19,397.61, 29,091.11 and 5,354.28

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Solution

The fourth proportional to 19,397.61, 29,091.11 and 5,354.28 is: 8,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.61 : 29,091.11 = 5,354.28 : x
  2. Step 2: Convert to fraction form
    19,397.61/29,091.11 = 5,354.28/x
  3. Step 3: Cross multiply
    19,397.61x = 29,091.11 × 5,354.28
  4. Step 4: Simplify right side
    19,397.61x = 155,761,921.68
  5. Step 5: Solve for x
    x = 155,761,921.68/19,397.61
  6. Step 6: Final answer
    x = 8,029.95

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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.