Home / 13,747.91-20,621.88-5,954.90

Finding the Fourth Proportional to 13,747.91, 20,621.88 and 5,954.90

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Solution

The fourth proportional to 13,747.91, 20,621.88 and 5,954.90 is: 8,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.91 : 20,621.88 = 5,954.90 : x
  2. Step 2: Convert to fraction form
    13,747.91/20,621.88 = 5,954.90/x
  3. Step 3: Cross multiply
    13,747.91x = 20,621.88 × 5,954.90
  4. Step 4: Simplify right side
    13,747.91x = 122,801,130.10
  5. Step 5: Solve for x
    x = 122,801,130.10/13,747.91
  6. Step 6: Final answer
    x = 8,932.35

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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.