Home / 13,963.32-20,949.84-6,177.60

Finding the Fourth Proportional to 13,963.32, 20,949.84 and 6,177.60

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Solution

The fourth proportional to 13,963.32, 20,949.84 and 6,177.60 is: 9,268.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.32 : 20,949.84 = 6,177.60 : x
  2. Step 2: Convert to fraction form
    13,963.32/20,949.84 = 6,177.60/x
  3. Step 3: Cross multiply
    13,963.32x = 20,949.84 × 6,177.60
  4. Step 4: Simplify right side
    13,963.32x = 129,419,731.58
  5. Step 5: Solve for x
    x = 129,419,731.58/13,963.32
  6. Step 6: Final answer
    x = 9,268.55

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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.