Home / 11,127.88-16,691.82-8,925.76

Finding the Fourth Proportional to 11,127.88, 16,691.82 and 8,925.76

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Solution

The fourth proportional to 11,127.88, 16,691.82 and 8,925.76 is: 13,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.88 : 16,691.82 = 8,925.76 : x
  2. Step 2: Convert to fraction form
    11,127.88/16,691.82 = 8,925.76/x
  3. Step 3: Cross multiply
    11,127.88x = 16,691.82 × 8,925.76
  4. Step 4: Simplify right side
    11,127.88x = 148,987,179.28
  5. Step 5: Solve for x
    x = 148,987,179.28/11,127.88
  6. Step 6: Final answer
    x = 13,388.64

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Similar ratio
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1.5x scale

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.