Home / 20,229.17-30,343.76-6,379.25

Finding the Fourth Proportional to 20,229.17, 30,343.76 and 6,379.25

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Solution

The fourth proportional to 20,229.17, 30,343.76 and 6,379.25 is: 9,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.17 : 30,343.76 = 6,379.25 : x
  2. Step 2: Convert to fraction form
    20,229.17/30,343.76 = 6,379.25/x
  3. Step 3: Cross multiply
    20,229.17x = 30,343.76 × 6,379.25
  4. Step 4: Simplify right side
    20,229.17x = 193,570,430.98
  5. Step 5: Solve for x
    x = 193,570,430.98/20,229.17
  6. Step 6: Final answer
    x = 9,568.88

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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.