Home / 9,940.56-14,909.87-3,366.80

Finding the Fourth Proportional to 9,940.56, 14,909.87 and 3,366.80

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Solution

The fourth proportional to 9,940.56, 14,909.87 and 3,366.80 is: 5,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.56 : 14,909.87 = 3,366.80 : x
  2. Step 2: Convert to fraction form
    9,940.56/14,909.87 = 3,366.80/x
  3. Step 3: Cross multiply
    9,940.56x = 14,909.87 × 3,366.80
  4. Step 4: Simplify right side
    9,940.56x = 50,198,540.10
  5. Step 5: Solve for x
    x = 50,198,540.10/9,940.56
  6. Step 6: Final answer
    x = 5,049.87

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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.