Home / 10,793.20-16,170.60-8,834.80

Finding the Fourth Proportional to 10,793.20, 16,170.60 and 8,834.80

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Solution

The fourth proportional to 10,793.20, 16,170.60 and 8,834.80 is: 13,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.20 : 16,170.60 = 8,834.80 : x
  2. Step 2: Convert to fraction form
    10,793.20/16,170.60 = 8,834.80/x
  3. Step 3: Cross multiply
    10,793.20x = 16,170.60 × 8,834.80
  4. Step 4: Simplify right side
    10,793.20x = 142,864,016.88
  5. Step 5: Solve for x
    x = 142,864,016.88/10,793.20
  6. Step 6: Final answer
    x = 13,236.48

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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.