Home / 8,232.42-11,284.52-8,121.66

Finding the Fourth Proportional to 8,232.42, 11,284.52 and 8,121.66

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Solution

The fourth proportional to 8,232.42, 11,284.52 and 8,121.66 is: 11,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232.42 : 11,284.52 = 8,121.66 : x
  2. Step 2: Convert to fraction form
    8,232.42/11,284.52 = 8,121.66/x
  3. Step 3: Cross multiply
    8,232.42x = 11,284.52 × 8,121.66
  4. Step 4: Simplify right side
    8,232.42x = 91,649,034.70
  5. Step 5: Solve for x
    x = 91,649,034.70/8,232.42
  6. Step 6: Final answer
    x = 11,132.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.