Home / 13,715.31-20,572.97-3,327.06

Finding the Fourth Proportional to 13,715.31, 20,572.97 and 3,327.06

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Solution

The fourth proportional to 13,715.31, 20,572.97 and 3,327.06 is: 4,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715.31 : 20,572.97 = 3,327.06 : x
  2. Step 2: Convert to fraction form
    13,715.31/20,572.97 = 3,327.06/x
  3. Step 3: Cross multiply
    13,715.31x = 20,572.97 × 3,327.06
  4. Step 4: Simplify right side
    13,715.31x = 68,447,505.57
  5. Step 5: Solve for x
    x = 68,447,505.57/13,715.31
  6. Step 6: Final answer
    x = 4,990.59

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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.