Home / 11,299.22-16,948.31-5,371.78

Finding the Fourth Proportional to 11,299.22, 16,948.31 and 5,371.78

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Solution

The fourth proportional to 11,299.22, 16,948.31 and 5,371.78 is: 8,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.22 : 16,948.31 = 5,371.78 : x
  2. Step 2: Convert to fraction form
    11,299.22/16,948.31 = 5,371.78/x
  3. Step 3: Cross multiply
    11,299.22x = 16,948.31 × 5,371.78
  4. Step 4: Simplify right side
    11,299.22x = 91,042,481.09
  5. Step 5: Solve for x
    x = 91,042,481.09/11,299.22
  6. Step 6: Final answer
    x = 8,057.41

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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.