Home / 11,251.57-16,879.74-3,854.04

Finding the Fourth Proportional to 11,251.57, 16,879.74 and 3,854.04

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Solution

The fourth proportional to 11,251.57, 16,879.74 and 3,854.04 is: 5,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.57 : 16,879.74 = 3,854.04 : x
  2. Step 2: Convert to fraction form
    11,251.57/16,879.74 = 3,854.04/x
  3. Step 3: Cross multiply
    11,251.57x = 16,879.74 × 3,854.04
  4. Step 4: Simplify right side
    11,251.57x = 65,055,193.15
  5. Step 5: Solve for x
    x = 65,055,193.15/11,251.57
  6. Step 6: Final answer
    x = 5,781.88

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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.