Home / 17,121.31-25,638.11-11,849.02

Finding the Fourth Proportional to 17,121.31, 25,638.11 and 11,849.02

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Solution

The fourth proportional to 17,121.31, 25,638.11 and 11,849.02 is: 17,743.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.31 : 25,638.11 = 11,849.02 : x
  2. Step 2: Convert to fraction form
    17,121.31/25,638.11 = 11,849.02/x
  3. Step 3: Cross multiply
    17,121.31x = 25,638.11 × 11,849.02
  4. Step 4: Simplify right side
    17,121.31x = 303,786,478.15
  5. Step 5: Solve for x
    x = 303,786,478.15/17,121.31
  6. Step 6: Final answer
    x = 17,743.18

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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.