Home / 13,963.52-20,945.42-4,102.96

Finding the Fourth Proportional to 13,963.52, 20,945.42 and 4,102.96

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Solution

The fourth proportional to 13,963.52, 20,945.42 and 4,102.96 is: 6,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.52 : 20,945.42 = 4,102.96 : x
  2. Step 2: Convert to fraction form
    13,963.52/20,945.42 = 4,102.96/x
  3. Step 3: Cross multiply
    13,963.52x = 20,945.42 × 4,102.96
  4. Step 4: Simplify right side
    13,963.52x = 85,938,220.44
  5. Step 5: Solve for x
    x = 85,938,220.44/13,963.52
  6. Step 6: Final answer
    x = 6,154.48

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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.