Home / 9,939.60-14,908.56-4,393.04

Finding the Fourth Proportional to 9,939.60, 14,908.56 and 4,393.04

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Solution

The fourth proportional to 9,939.60, 14,908.56 and 4,393.04 is: 6,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.60 : 14,908.56 = 4,393.04 : x
  2. Step 2: Convert to fraction form
    9,939.60/14,908.56 = 4,393.04/x
  3. Step 3: Cross multiply
    9,939.60x = 14,908.56 × 4,393.04
  4. Step 4: Simplify right side
    9,939.60x = 65,493,900.42
  5. Step 5: Solve for x
    x = 65,493,900.42/9,939.60
  6. Step 6: Final answer
    x = 6,589.19

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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.