Home / 14,002.31-21,003.47-3,613.25

Finding the Fourth Proportional to 14,002.31, 21,003.47 and 3,613.25

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Solution

The fourth proportional to 14,002.31, 21,003.47 and 3,613.25 is: 5,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.31 : 21,003.47 = 3,613.25 : x
  2. Step 2: Convert to fraction form
    14,002.31/21,003.47 = 3,613.25/x
  3. Step 3: Cross multiply
    14,002.31x = 21,003.47 × 3,613.25
  4. Step 4: Simplify right side
    14,002.31x = 75,890,787.98
  5. Step 5: Solve for x
    x = 75,890,787.98/14,002.31
  6. Step 6: Final answer
    x = 5,419.88

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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.