Home / 16,139.60-24,193.20-7,380.80

Finding the Fourth Proportional to 16,139.60, 24,193.20 and 7,380.80

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Solution

The fourth proportional to 16,139.60, 24,193.20 and 7,380.80 is: 11,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,139.60 : 24,193.20 = 7,380.80 : x
  2. Step 2: Convert to fraction form
    16,139.60/24,193.20 = 7,380.80/x
  3. Step 3: Cross multiply
    16,139.60x = 24,193.20 × 7,380.80
  4. Step 4: Simplify right side
    16,139.60x = 178,565,170.56
  5. Step 5: Solve for x
    x = 178,565,170.56/16,139.60
  6. Step 6: Final answer
    x = 11,063.79

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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.