Home / 13,937.44-20,887.92-11,976.52

Finding the Fourth Proportional to 13,937.44, 20,887.92 and 11,976.52

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Solution

The fourth proportional to 13,937.44, 20,887.92 and 11,976.52 is: 17,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.44 : 20,887.92 = 11,976.52 : x
  2. Step 2: Convert to fraction form
    13,937.44/20,887.92 = 11,976.52/x
  3. Step 3: Cross multiply
    13,937.44x = 20,887.92 × 11,976.52
  4. Step 4: Simplify right side
    13,937.44x = 250,164,591.64
  5. Step 5: Solve for x
    x = 250,164,591.64/13,937.44
  6. Step 6: Final answer
    x = 17,949.11

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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.