Home / 11,728.48-17,594.32-3,939.52

Finding the Fourth Proportional to 11,728.48, 17,594.32 and 3,939.52

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Solution

The fourth proportional to 11,728.48, 17,594.32 and 3,939.52 is: 5,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.48 : 17,594.32 = 3,939.52 : x
  2. Step 2: Convert to fraction form
    11,728.48/17,594.32 = 3,939.52/x
  3. Step 3: Cross multiply
    11,728.48x = 17,594.32 × 3,939.52
  4. Step 4: Simplify right side
    11,728.48x = 69,313,175.53
  5. Step 5: Solve for x
    x = 69,313,175.53/11,728.48
  6. Step 6: Final answer
    x = 5,909.82

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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.