Home / 12,729.27-19,092.49-3,963.45

Finding the Fourth Proportional to 12,729.27, 19,092.49 and 3,963.45

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Solution

The fourth proportional to 12,729.27, 19,092.49 and 3,963.45 is: 5,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.27 : 19,092.49 = 3,963.45 : x
  2. Step 2: Convert to fraction form
    12,729.27/19,092.49 = 3,963.45/x
  3. Step 3: Cross multiply
    12,729.27x = 19,092.49 × 3,963.45
  4. Step 4: Simplify right side
    12,729.27x = 75,672,129.49
  5. Step 5: Solve for x
    x = 75,672,129.49/12,729.27
  6. Step 6: Final answer
    x = 5,944.73

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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.