Home / 11,670.33-17,508.38-3,879.21

Finding the Fourth Proportional to 11,670.33, 17,508.38 and 3,879.21

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Solution

The fourth proportional to 11,670.33, 17,508.38 and 3,879.21 is: 5,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.33 : 17,508.38 = 3,879.21 : x
  2. Step 2: Convert to fraction form
    11,670.33/17,508.38 = 3,879.21/x
  3. Step 3: Cross multiply
    11,670.33x = 17,508.38 × 3,879.21
  4. Step 4: Simplify right side
    11,670.33x = 67,918,663.38
  5. Step 5: Solve for x
    x = 67,918,663.38/11,670.33
  6. Step 6: Final answer
    x = 5,819.77

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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.