Home / 13,963.26-20,948.49-4,102.86

Finding the Fourth Proportional to 13,963.26, 20,948.49 and 4,102.86

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Solution

The fourth proportional to 13,963.26, 20,948.49 and 4,102.86 is: 6,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.26 : 20,948.49 = 4,102.86 : x
  2. Step 2: Convert to fraction form
    13,963.26/20,948.49 = 4,102.86/x
  3. Step 3: Cross multiply
    13,963.26x = 20,948.49 × 4,102.86
  4. Step 4: Simplify right side
    13,963.26x = 85,948,721.68
  5. Step 5: Solve for x
    x = 85,948,721.68/13,963.26
  6. Step 6: Final answer
    x = 6,155.35

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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.