Home / 13,620.92-18,793.56-7,952.44

Finding the Fourth Proportional to 13,620.92, 18,793.56 and 7,952.44

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Solution

The fourth proportional to 13,620.92, 18,793.56 and 7,952.44 is: 10,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620.92 : 18,793.56 = 7,952.44 : x
  2. Step 2: Convert to fraction form
    13,620.92/18,793.56 = 7,952.44/x
  3. Step 3: Cross multiply
    13,620.92x = 18,793.56 × 7,952.44
  4. Step 4: Simplify right side
    13,620.92x = 149,454,658.29
  5. Step 5: Solve for x
    x = 149,454,658.29/13,620.92
  6. Step 6: Final answer
    x = 10,972.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.