Home / 9,939.27-14,908.92-4,743.93

Finding the Fourth Proportional to 9,939.27, 14,908.92 and 4,743.93

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Solution

The fourth proportional to 9,939.27, 14,908.92 and 4,743.93 is: 7,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.27 : 14,908.92 = 4,743.93 : x
  2. Step 2: Convert to fraction form
    9,939.27/14,908.92 = 4,743.93/x
  3. Step 3: Cross multiply
    9,939.27x = 14,908.92 × 4,743.93
  4. Step 4: Simplify right side
    9,939.27x = 70,726,872.86
  5. Step 5: Solve for x
    x = 70,726,872.86/9,939.27
  6. Step 6: Final answer
    x = 7,115.90

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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.