Home / 17,867.62-26,793.69-7,872.13

Finding the Fourth Proportional to 17,867.62, 26,793.69 and 7,872.13

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Solution

The fourth proportional to 17,867.62, 26,793.69 and 7,872.13 is: 11,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.62 : 26,793.69 = 7,872.13 : x
  2. Step 2: Convert to fraction form
    17,867.62/26,793.69 = 7,872.13/x
  3. Step 3: Cross multiply
    17,867.62x = 26,793.69 × 7,872.13
  4. Step 4: Simplify right side
    17,867.62x = 210,923,410.86
  5. Step 5: Solve for x
    x = 210,923,410.86/17,867.62
  6. Step 6: Final answer
    x = 11,804.78

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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.