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Finding the Fourth Proportional to 10,098.30, 15,150.15 and 9,010.20

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Solution

The fourth proportional to 10,098.30, 15,150.15 and 9,010.20 is: 13,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.30 : 15,150.15 = 9,010.20 : x
  2. Step 2: Convert to fraction form
    10,098.30/15,150.15 = 9,010.20/x
  3. Step 3: Cross multiply
    10,098.30x = 15,150.15 × 9,010.20
  4. Step 4: Simplify right side
    10,098.30x = 136,505,881.53
  5. Step 5: Solve for x
    x = 136,505,881.53/10,098.30
  6. Step 6: Final answer
    x = 13,517.71

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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.