Home / 8,186.22-12,279.42-6,132.96

Finding the Fourth Proportional to 8,186.22, 12,279.42 and 6,132.96

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Solution

The fourth proportional to 8,186.22, 12,279.42 and 6,132.96 is: 9,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.22 : 12,279.42 = 6,132.96 : x
  2. Step 2: Convert to fraction form
    8,186.22/12,279.42 = 6,132.96/x
  3. Step 3: Cross multiply
    8,186.22x = 12,279.42 × 6,132.96
  4. Step 4: Simplify right side
    8,186.22x = 75,309,191.68
  5. Step 5: Solve for x
    x = 75,309,191.68/8,186.22
  6. Step 6: Final answer
    x = 9,199.51

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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.