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Finding the Fourth Proportional to 15,245.33, 22,845.31 and 9,006.71

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Solution

The fourth proportional to 15,245.33, 22,845.31 and 9,006.71 is: 13,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.33 : 22,845.31 = 9,006.71 : x
  2. Step 2: Convert to fraction form
    15,245.33/22,845.31 = 9,006.71/x
  3. Step 3: Cross multiply
    15,245.33x = 22,845.31 × 9,006.71
  4. Step 4: Simplify right side
    15,245.33x = 205,760,945.29
  5. Step 5: Solve for x
    x = 205,760,945.29/15,245.33
  6. Step 6: Final answer
    x = 13,496.66

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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.