Home / 18,067.22-27,100.86-11,866.40

Finding the Fourth Proportional to 18,067.22, 27,100.86 and 11,866.40

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Solution

The fourth proportional to 18,067.22, 27,100.86 and 11,866.40 is: 17,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.22 : 27,100.86 = 11,866.40 : x
  2. Step 2: Convert to fraction form
    18,067.22/27,100.86 = 11,866.40/x
  3. Step 3: Cross multiply
    18,067.22x = 27,100.86 × 11,866.40
  4. Step 4: Simplify right side
    18,067.22x = 321,589,645.10
  5. Step 5: Solve for x
    x = 321,589,645.10/18,067.22
  6. Step 6: Final answer
    x = 17,799.62

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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.