Home / 15,249.06-22,874.31-5,389.38

Finding the Fourth Proportional to 15,249.06, 22,874.31 and 5,389.38

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Solution

The fourth proportional to 15,249.06, 22,874.31 and 5,389.38 is: 8,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.06 : 22,874.31 = 5,389.38 : x
  2. Step 2: Convert to fraction form
    15,249.06/22,874.31 = 5,389.38/x
  3. Step 3: Cross multiply
    15,249.06x = 22,874.31 × 5,389.38
  4. Step 4: Simplify right side
    15,249.06x = 123,278,348.83
  5. Step 5: Solve for x
    x = 123,278,348.83/15,249.06
  6. Step 6: Final answer
    x = 8,084.32

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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.