Home / 17,755.12-26,618.10-8,985.52

Finding the Fourth Proportional to 17,755.12, 26,618.10 and 8,985.52

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Solution

The fourth proportional to 17,755.12, 26,618.10 and 8,985.52 is: 13,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,755.12 : 26,618.10 = 8,985.52 : x
  2. Step 2: Convert to fraction form
    17,755.12/26,618.10 = 8,985.52/x
  3. Step 3: Cross multiply
    17,755.12x = 26,618.10 × 8,985.52
  4. Step 4: Simplify right side
    17,755.12x = 239,177,469.91
  5. Step 5: Solve for x
    x = 239,177,469.91/17,755.12
  6. Step 6: Final answer
    x = 13,470.90

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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.