Home / 13,474.38-20,213.19-4,591.20

Finding the Fourth Proportional to 13,474.38, 20,213.19 and 4,591.20

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Solution

The fourth proportional to 13,474.38, 20,213.19 and 4,591.20 is: 6,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.38 : 20,213.19 = 4,591.20 : x
  2. Step 2: Convert to fraction form
    13,474.38/20,213.19 = 4,591.20/x
  3. Step 3: Cross multiply
    13,474.38x = 20,213.19 × 4,591.20
  4. Step 4: Simplify right side
    13,474.38x = 92,802,797.93
  5. Step 5: Solve for x
    x = 92,802,797.93/13,474.38
  6. Step 6: Final answer
    x = 6,887.35

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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.