Home / 15,285.92-22,932.18-5,290.65

Finding the Fourth Proportional to 15,285.92, 22,932.18 and 5,290.65

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Solution

The fourth proportional to 15,285.92, 22,932.18 and 5,290.65 is: 7,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.92 : 22,932.18 = 5,290.65 : x
  2. Step 2: Convert to fraction form
    15,285.92/22,932.18 = 5,290.65/x
  3. Step 3: Cross multiply
    15,285.92x = 22,932.18 × 5,290.65
  4. Step 4: Simplify right side
    15,285.92x = 121,326,138.12
  5. Step 5: Solve for x
    x = 121,326,138.12/15,285.92
  6. Step 6: Final answer
    x = 7,937.12

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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.