Home / 11,781.44-17,668.46-3,459.38

Finding the Fourth Proportional to 11,781.44, 17,668.46 and 3,459.38

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Solution

The fourth proportional to 11,781.44, 17,668.46 and 3,459.38 is: 5,187.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.44 : 17,668.46 = 3,459.38 : x
  2. Step 2: Convert to fraction form
    11,781.44/17,668.46 = 3,459.38/x
  3. Step 3: Cross multiply
    11,781.44x = 17,668.46 × 3,459.38
  4. Step 4: Simplify right side
    11,781.44x = 61,121,917.15
  5. Step 5: Solve for x
    x = 61,121,917.15/11,781.44
  6. Step 6: Final answer
    x = 5,187.98

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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.