Home / 11,781.83-17,668.99-3,882.87

Finding the Fourth Proportional to 11,781.83, 17,668.99 and 3,882.87

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Solution

The fourth proportional to 11,781.83, 17,668.99 and 3,882.87 is: 5,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.83 : 17,668.99 = 3,882.87 : x
  2. Step 2: Convert to fraction form
    11,781.83/17,668.99 = 3,882.87/x
  3. Step 3: Cross multiply
    11,781.83x = 17,668.99 × 3,882.87
  4. Step 4: Simplify right side
    11,781.83x = 68,606,396.05
  5. Step 5: Solve for x
    x = 68,606,396.05/11,781.83
  6. Step 6: Final answer
    x = 5,823.07

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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.