Home / 13,963.44-20,945.76-3,968.88

Finding the Fourth Proportional to 13,963.44, 20,945.76 and 3,968.88

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Solution

The fourth proportional to 13,963.44, 20,945.76 and 3,968.88 is: 5,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.44 : 20,945.76 = 3,968.88 : x
  2. Step 2: Convert to fraction form
    13,963.44/20,945.76 = 3,968.88/x
  3. Step 3: Cross multiply
    13,963.44x = 20,945.76 × 3,968.88
  4. Step 4: Simplify right side
    13,963.44x = 83,131,207.95
  5. Step 5: Solve for x
    x = 83,131,207.95/13,963.44
  6. Step 6: Final answer
    x = 5,953.49

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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.