Home / 11,080.60-16,620.90-9,127.96

Finding the Fourth Proportional to 11,080.60, 16,620.90 and 9,127.96

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Solution

The fourth proportional to 11,080.60, 16,620.90 and 9,127.96 is: 13,691.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.60 : 16,620.90 = 9,127.96 : x
  2. Step 2: Convert to fraction form
    11,080.60/16,620.90 = 9,127.96/x
  3. Step 3: Cross multiply
    11,080.60x = 16,620.90 × 9,127.96
  4. Step 4: Simplify right side
    11,080.60x = 151,714,910.36
  5. Step 5: Solve for x
    x = 151,714,910.36/11,080.60
  6. Step 6: Final answer
    x = 13,691.94

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Double scale
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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.