Home / 17,154.40-25,755.21-8,726.61

Finding the Fourth Proportional to 17,154.40, 25,755.21 and 8,726.61

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Solution

The fourth proportional to 17,154.40, 25,755.21 and 8,726.61 is: 13,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,154.40 : 25,755.21 = 8,726.61 : x
  2. Step 2: Convert to fraction form
    17,154.40/25,755.21 = 8,726.61/x
  3. Step 3: Cross multiply
    17,154.40x = 25,755.21 × 8,726.61
  4. Step 4: Simplify right side
    17,154.40x = 224,755,630.57
  5. Step 5: Solve for x
    x = 224,755,630.57/17,154.40
  6. Step 6: Final answer
    x = 13,101.92

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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.