Home / 10,252.60-15,352.28-8,781.29

Finding the Fourth Proportional to 10,252.60, 15,352.28 and 8,781.29

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Solution

The fourth proportional to 10,252.60, 15,352.28 and 8,781.29 is: 13,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.60 : 15,352.28 = 8,781.29 : x
  2. Step 2: Convert to fraction form
    10,252.60/15,352.28 = 8,781.29/x
  3. Step 3: Cross multiply
    10,252.60x = 15,352.28 × 8,781.29
  4. Step 4: Simplify right side
    10,252.60x = 134,812,798.89
  5. Step 5: Solve for x
    x = 134,812,798.89/10,252.60
  6. Step 6: Final answer
    x = 13,149.13

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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.