Home / 12,731.38-19,094.94-3,963.94

Finding the Fourth Proportional to 12,731.38, 19,094.94 and 3,963.94

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Solution

The fourth proportional to 12,731.38, 19,094.94 and 3,963.94 is: 5,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.38 : 19,094.94 = 3,963.94 : x
  2. Step 2: Convert to fraction form
    12,731.38/19,094.94 = 3,963.94/x
  3. Step 3: Cross multiply
    12,731.38x = 19,094.94 × 3,963.94
  4. Step 4: Simplify right side
    12,731.38x = 75,691,148.73
  5. Step 5: Solve for x
    x = 75,691,148.73/12,731.38
  6. Step 6: Final answer
    x = 5,945.24

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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.