Home / 11,985.38-17,986.17-4,194.26

Finding the Fourth Proportional to 11,985.38, 17,986.17 and 4,194.26

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Solution

The fourth proportional to 11,985.38, 17,986.17 and 4,194.26 is: 6,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.38 : 17,986.17 = 4,194.26 : x
  2. Step 2: Convert to fraction form
    11,985.38/17,986.17 = 4,194.26/x
  3. Step 3: Cross multiply
    11,985.38x = 17,986.17 × 4,194.26
  4. Step 4: Simplify right side
    11,985.38x = 75,438,673.38
  5. Step 5: Solve for x
    x = 75,438,673.38/11,985.38
  6. Step 6: Final answer
    x = 6,294.22

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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.