Home / 11,486.76-17,231.67-3,589.80

Finding the Fourth Proportional to 11,486.76, 17,231.67 and 3,589.80

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Solution

The fourth proportional to 11,486.76, 17,231.67 and 3,589.80 is: 5,385.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.76 : 17,231.67 = 3,589.80 : x
  2. Step 2: Convert to fraction form
    11,486.76/17,231.67 = 3,589.80/x
  3. Step 3: Cross multiply
    11,486.76x = 17,231.67 × 3,589.80
  4. Step 4: Simplify right side
    11,486.76x = 61,858,248.97
  5. Step 5: Solve for x
    x = 61,858,248.97/11,486.76
  6. Step 6: Final answer
    x = 5,385.18

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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.