Home / 13,844.13-20,732.26-12,512.85

Finding the Fourth Proportional to 13,844.13, 20,732.26 and 12,512.85

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Solution

The fourth proportional to 13,844.13, 20,732.26 and 12,512.85 is: 18,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.13 : 20,732.26 = 12,512.85 : x
  2. Step 2: Convert to fraction form
    13,844.13/20,732.26 = 12,512.85/x
  3. Step 3: Cross multiply
    13,844.13x = 20,732.26 × 12,512.85
  4. Step 4: Simplify right side
    13,844.13x = 259,419,659.54
  5. Step 5: Solve for x
    x = 259,419,659.54/13,844.13
  6. Step 6: Final answer
    x = 18,738.60

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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.