Home / 11,371.68-17,032.14-8,719.66

Finding the Fourth Proportional to 11,371.68, 17,032.14 and 8,719.66

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Solution

The fourth proportional to 11,371.68, 17,032.14 and 8,719.66 is: 13,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.68 : 17,032.14 = 8,719.66 : x
  2. Step 2: Convert to fraction form
    11,371.68/17,032.14 = 8,719.66/x
  3. Step 3: Cross multiply
    11,371.68x = 17,032.14 × 8,719.66
  4. Step 4: Simplify right side
    11,371.68x = 148,514,469.87
  5. Step 5: Solve for x
    x = 148,514,469.87/11,371.68
  6. Step 6: Final answer
    x = 13,060.03

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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.