Home / 10,991.24-16,489.28-3,200.66

Finding the Fourth Proportional to 10,991.24, 16,489.28 and 3,200.66

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Solution

The fourth proportional to 10,991.24, 16,489.28 and 3,200.66 is: 4,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.24 : 16,489.28 = 3,200.66 : x
  2. Step 2: Convert to fraction form
    10,991.24/16,489.28 = 3,200.66/x
  3. Step 3: Cross multiply
    10,991.24x = 16,489.28 × 3,200.66
  4. Step 4: Simplify right side
    10,991.24x = 52,776,578.92
  5. Step 5: Solve for x
    x = 52,776,578.92/10,991.24
  6. Step 6: Final answer
    x = 4,801.69

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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.