Home / 10,769.56-16,154.30-3,380.20

Finding the Fourth Proportional to 10,769.56, 16,154.30 and 3,380.20

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Solution

The fourth proportional to 10,769.56, 16,154.30 and 3,380.20 is: 5,070.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.56 : 16,154.30 = 3,380.20 : x
  2. Step 2: Convert to fraction form
    10,769.56/16,154.30 = 3,380.20/x
  3. Step 3: Cross multiply
    10,769.56x = 16,154.30 × 3,380.20
  4. Step 4: Simplify right side
    10,769.56x = 54,604,732.92
  5. Step 5: Solve for x
    x = 54,604,732.92/10,769.56
  6. Step 6: Final answer
    x = 5,070.29

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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.