Home / 15,287.20-22,930.49-7,490.54

Finding the Fourth Proportional to 15,287.20, 22,930.49 and 7,490.54

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Solution

The fourth proportional to 15,287.20, 22,930.49 and 7,490.54 is: 11,235.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.20 : 22,930.49 = 7,490.54 : x
  2. Step 2: Convert to fraction form
    15,287.20/22,930.49 = 7,490.54/x
  3. Step 3: Cross multiply
    15,287.20x = 22,930.49 × 7,490.54
  4. Step 4: Simplify right side
    15,287.20x = 171,761,828.62
  5. Step 5: Solve for x
    x = 171,761,828.62/15,287.20
  6. Step 6: Final answer
    x = 11,235.66

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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.