Home / 20,016.88-30,033.92-11,238.64

Finding the Fourth Proportional to 20,016.88, 30,033.92 and 11,238.64

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Solution

The fourth proportional to 20,016.88, 30,033.92 and 11,238.64 is: 16,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.88 : 30,033.92 = 11,238.64 : x
  2. Step 2: Convert to fraction form
    20,016.88/30,033.92 = 11,238.64/x
  3. Step 3: Cross multiply
    20,016.88x = 30,033.92 × 11,238.64
  4. Step 4: Simplify right side
    20,016.88x = 337,540,414.67
  5. Step 5: Solve for x
    x = 337,540,414.67/20,016.88
  6. Step 6: Final answer
    x = 16,862.79

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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.