Home / 10,941.14-16,411.50-3,149.90

Finding the Fourth Proportional to 10,941.14, 16,411.50 and 3,149.90

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Solution

The fourth proportional to 10,941.14, 16,411.50 and 3,149.90 is: 4,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,941.14 : 16,411.50 = 3,149.90 : x
  2. Step 2: Convert to fraction form
    10,941.14/16,411.50 = 3,149.90/x
  3. Step 3: Cross multiply
    10,941.14x = 16,411.50 × 3,149.90
  4. Step 4: Simplify right side
    10,941.14x = 51,694,583.85
  5. Step 5: Solve for x
    x = 51,694,583.85/10,941.14
  6. Step 6: Final answer
    x = 4,724.79

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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.