Home / 18,251.66-27,380.45-7,152.33

Finding the Fourth Proportional to 18,251.66, 27,380.45 and 7,152.33

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Solution

The fourth proportional to 18,251.66, 27,380.45 and 7,152.33 is: 10,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.66 : 27,380.45 = 7,152.33 : x
  2. Step 2: Convert to fraction form
    18,251.66/27,380.45 = 7,152.33/x
  3. Step 3: Cross multiply
    18,251.66x = 27,380.45 × 7,152.33
  4. Step 4: Simplify right side
    18,251.66x = 195,833,909.74
  5. Step 5: Solve for x
    x = 195,833,909.74/18,251.66
  6. Step 6: Final answer
    x = 10,729.65

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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.