Home / 10,990.24-16,487.78-3,199.66

Finding the Fourth Proportional to 10,990.24, 16,487.78 and 3,199.66

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Solution

The fourth proportional to 10,990.24, 16,487.78 and 3,199.66 is: 4,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.24 : 16,487.78 = 3,199.66 : x
  2. Step 2: Convert to fraction form
    10,990.24/16,487.78 = 3,199.66/x
  3. Step 3: Cross multiply
    10,990.24x = 16,487.78 × 3,199.66
  4. Step 4: Simplify right side
    10,990.24x = 52,755,290.15
  5. Step 5: Solve for x
    x = 52,755,290.15/10,990.24
  6. Step 6: Final answer
    x = 4,800.19

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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.