Home / 11,066.80-16,600.20-3,169.30

Finding the Fourth Proportional to 11,066.80, 16,600.20 and 3,169.30

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Solution

The fourth proportional to 11,066.80, 16,600.20 and 3,169.30 is: 4,753.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,066.80 : 16,600.20 = 3,169.30 : x
  2. Step 2: Convert to fraction form
    11,066.80/16,600.20 = 3,169.30/x
  3. Step 3: Cross multiply
    11,066.80x = 16,600.20 × 3,169.30
  4. Step 4: Simplify right side
    11,066.80x = 52,611,013.86
  5. Step 5: Solve for x
    x = 52,611,013.86/11,066.80
  6. Step 6: Final answer
    x = 4,753.95

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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.