Home / 10,769.92-16,170.24-8,189.44

Finding the Fourth Proportional to 10,769.92, 16,170.24 and 8,189.44

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Solution

The fourth proportional to 10,769.92, 16,170.24 and 8,189.44 is: 12,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.92 : 16,170.24 = 8,189.44 : x
  2. Step 2: Convert to fraction form
    10,769.92/16,170.24 = 8,189.44/x
  3. Step 3: Cross multiply
    10,769.92x = 16,170.24 × 8,189.44
  4. Step 4: Simplify right side
    10,769.92x = 132,425,210.27
  5. Step 5: Solve for x
    x = 132,425,210.27/10,769.92
  6. Step 6: Final answer
    x = 12,295.84

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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.