Home / 13,761.38-20,642.46-3,373.12

Finding the Fourth Proportional to 13,761.38, 20,642.46 and 3,373.12

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Solution

The fourth proportional to 13,761.38, 20,642.46 and 3,373.12 is: 5,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.38 : 20,642.46 = 3,373.12 : x
  2. Step 2: Convert to fraction form
    13,761.38/20,642.46 = 3,373.12/x
  3. Step 3: Cross multiply
    13,761.38x = 20,642.46 × 3,373.12
  4. Step 4: Simplify right side
    13,761.38x = 69,629,494.68
  5. Step 5: Solve for x
    x = 69,629,494.68/13,761.38
  6. Step 6: Final answer
    x = 5,059.78

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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.