Home / 10,997.60-16,500.24-3,206.88

Finding the Fourth Proportional to 10,997.60, 16,500.24 and 3,206.88

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Solution

The fourth proportional to 10,997.60, 16,500.24 and 3,206.88 is: 4,811.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.60 : 16,500.24 = 3,206.88 : x
  2. Step 2: Convert to fraction form
    10,997.60/16,500.24 = 3,206.88/x
  3. Step 3: Cross multiply
    10,997.60x = 16,500.24 × 3,206.88
  4. Step 4: Simplify right side
    10,997.60x = 52,914,289.65
  5. Step 5: Solve for x
    x = 52,914,289.65/10,997.60
  6. Step 6: Final answer
    x = 4,811.44

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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.