Home / 18,161.82-27,235.62-7,067.04

Finding the Fourth Proportional to 18,161.82, 27,235.62 and 7,067.04

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Solution

The fourth proportional to 18,161.82, 27,235.62 and 7,067.04 is: 10,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,161.82 : 27,235.62 = 7,067.04 : x
  2. Step 2: Convert to fraction form
    18,161.82/27,235.62 = 7,067.04/x
  3. Step 3: Cross multiply
    18,161.82x = 27,235.62 × 7,067.04
  4. Step 4: Simplify right side
    18,161.82x = 192,475,215.96
  5. Step 5: Solve for x
    x = 192,475,215.96/18,161.82
  6. Step 6: Final answer
    x = 10,597.79

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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.