Home / 38,255.85-57,383.82-11,960.73

Finding the Fourth Proportional to 38,255.85, 57,383.82 and 11,960.73

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Solution

The fourth proportional to 38,255.85, 57,383.82 and 11,960.73 is: 17,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.85 : 57,383.82 = 11,960.73 : x
  2. Step 2: Convert to fraction form
    38,255.85/57,383.82 = 11,960.73/x
  3. Step 3: Cross multiply
    38,255.85x = 57,383.82 × 11,960.73
  4. Step 4: Simplify right side
    38,255.85x = 686,352,377.39
  5. Step 5: Solve for x
    x = 686,352,377.39/38,255.85
  6. Step 6: Final answer
    x = 17,941.11

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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.