Home / 11,945.88-17,948.10-11,282.76

Finding the Fourth Proportional to 11,945.88, 17,948.10 and 11,282.76

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Solution

The fourth proportional to 11,945.88, 17,948.10 and 11,282.76 is: 16,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.88 : 17,948.10 = 11,282.76 : x
  2. Step 2: Convert to fraction form
    11,945.88/17,948.10 = 11,282.76/x
  3. Step 3: Cross multiply
    11,945.88x = 17,948.10 × 11,282.76
  4. Step 4: Simplify right side
    11,945.88x = 202,504,104.76
  5. Step 5: Solve for x
    x = 202,504,104.76/11,945.88
  6. Step 6: Final answer
    x = 16,951.79

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1.5x scale

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.