Home / 16,091.80-22,165.14-11,367.88

Finding the Fourth Proportional to 16,091.80, 22,165.14 and 11,367.88

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Solution

The fourth proportional to 16,091.80, 22,165.14 and 11,367.88 is: 15,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,091.80 : 22,165.14 = 11,367.88 : x
  2. Step 2: Convert to fraction form
    16,091.80/22,165.14 = 11,367.88/x
  3. Step 3: Cross multiply
    16,091.80x = 22,165.14 × 11,367.88
  4. Step 4: Simplify right side
    16,091.80x = 251,970,651.70
  5. Step 5: Solve for x
    x = 251,970,651.70/16,091.80
  6. Step 6: Final answer
    x = 15,658.33

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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.