Home / 15,279.10-22,904-9,715.22

Finding the Fourth Proportional to 15,279.10, 22,904 and 9,715.22

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Solution

The fourth proportional to 15,279.10, 22,904 and 9,715.22 is: 14,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279.10 : 22,904 = 9,715.22 : x
  2. Step 2: Convert to fraction form
    15,279.10/22,904 = 9,715.22/x
  3. Step 3: Cross multiply
    15,279.10x = 22,904 × 9,715.22
  4. Step 4: Simplify right side
    15,279.10x = 222,517,398.88
  5. Step 5: Solve for x
    x = 222,517,398.88/15,279.10
  6. Step 6: Final answer
    x = 14,563.51

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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.