Home / 13,961.94-20,943.51-3,967.38

Finding the Fourth Proportional to 13,961.94, 20,943.51 and 3,967.38

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Solution

The fourth proportional to 13,961.94, 20,943.51 and 3,967.38 is: 5,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.94 : 20,943.51 = 3,967.38 : x
  2. Step 2: Convert to fraction form
    13,961.94/20,943.51 = 3,967.38/x
  3. Step 3: Cross multiply
    13,961.94x = 20,943.51 × 3,967.38
  4. Step 4: Simplify right side
    13,961.94x = 83,090,862.70
  5. Step 5: Solve for x
    x = 83,090,862.70/13,961.94
  6. Step 6: Final answer
    x = 5,951.24

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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.