Home / 17,963.40-26,945.10-11,418.60

Finding the Fourth Proportional to 17,963.40, 26,945.10 and 11,418.60

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Solution

The fourth proportional to 17,963.40, 26,945.10 and 11,418.60 is: 17,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,963.40 : 26,945.10 = 11,418.60 : x
  2. Step 2: Convert to fraction form
    17,963.40/26,945.10 = 11,418.60/x
  3. Step 3: Cross multiply
    17,963.40x = 26,945.10 × 11,418.60
  4. Step 4: Simplify right side
    17,963.40x = 307,675,318.86
  5. Step 5: Solve for x
    x = 307,675,318.86/17,963.40
  6. Step 6: Final answer
    x = 17,127.90

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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.