Home / 15,177.80-22,766.70-8,161.12

Finding the Fourth Proportional to 15,177.80, 22,766.70 and 8,161.12

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Solution

The fourth proportional to 15,177.80, 22,766.70 and 8,161.12 is: 12,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.80 : 22,766.70 = 8,161.12 : x
  2. Step 2: Convert to fraction form
    15,177.80/22,766.70 = 8,161.12/x
  3. Step 3: Cross multiply
    15,177.80x = 22,766.70 × 8,161.12
  4. Step 4: Simplify right side
    15,177.80x = 185,801,770.70
  5. Step 5: Solve for x
    x = 185,801,770.70/15,177.80
  6. Step 6: Final answer
    x = 12,241.68

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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.