Home / 11,419.26-17,127.68-3,100.16

Finding the Fourth Proportional to 11,419.26, 17,127.68 and 3,100.16

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Solution

The fourth proportional to 11,419.26, 17,127.68 and 3,100.16 is: 4,649.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.26 : 17,127.68 = 3,100.16 : x
  2. Step 2: Convert to fraction form
    11,419.26/17,127.68 = 3,100.16/x
  3. Step 3: Cross multiply
    11,419.26x = 17,127.68 × 3,100.16
  4. Step 4: Simplify right side
    11,419.26x = 53,098,447.29
  5. Step 5: Solve for x
    x = 53,098,447.29/11,419.26
  6. Step 6: Final answer
    x = 4,649.90

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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.