Home / 12,550.26-17,331.08-8,081.87

Finding the Fourth Proportional to 12,550.26, 17,331.08 and 8,081.87

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Solution

The fourth proportional to 12,550.26, 17,331.08 and 8,081.87 is: 11,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.26 : 17,331.08 = 8,081.87 : x
  2. Step 2: Convert to fraction form
    12,550.26/17,331.08 = 8,081.87/x
  3. Step 3: Cross multiply
    12,550.26x = 17,331.08 × 8,081.87
  4. Step 4: Simplify right side
    12,550.26x = 140,067,468.56
  5. Step 5: Solve for x
    x = 140,067,468.56/12,550.26
  6. Step 6: Final answer
    x = 11,160.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.