Home / 11,728.74-17,594.94-3,939.38

Finding the Fourth Proportional to 11,728.74, 17,594.94 and 3,939.38

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Solution

The fourth proportional to 11,728.74, 17,594.94 and 3,939.38 is: 5,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.74 : 17,594.94 = 3,939.38 : x
  2. Step 2: Convert to fraction form
    11,728.74/17,594.94 = 3,939.38/x
  3. Step 3: Cross multiply
    11,728.74x = 17,594.94 × 3,939.38
  4. Step 4: Simplify right side
    11,728.74x = 69,313,154.74
  5. Step 5: Solve for x
    x = 69,313,154.74/11,728.74
  6. Step 6: Final answer
    x = 5,909.68

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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.