Home / 11,781.99-17,668.80-3,882.60

Finding the Fourth Proportional to 11,781.99, 17,668.80 and 3,882.60

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Solution

The fourth proportional to 11,781.99, 17,668.80 and 3,882.60 is: 5,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.99 : 17,668.80 = 3,882.60 : x
  2. Step 2: Convert to fraction form
    11,781.99/17,668.80 = 3,882.60/x
  3. Step 3: Cross multiply
    11,781.99x = 17,668.80 × 3,882.60
  4. Step 4: Simplify right side
    11,781.99x = 68,600,882.88
  5. Step 5: Solve for x
    x = 68,600,882.88/11,781.99
  6. Step 6: Final answer
    x = 5,822.52

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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.