Home / 18,067.76-27,109.39-6,982.23

Finding the Fourth Proportional to 18,067.76, 27,109.39 and 6,982.23

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Solution

The fourth proportional to 18,067.76, 27,109.39 and 6,982.23 is: 10,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.76 : 27,109.39 = 6,982.23 : x
  2. Step 2: Convert to fraction form
    18,067.76/27,109.39 = 6,982.23/x
  3. Step 3: Cross multiply
    18,067.76x = 27,109.39 × 6,982.23
  4. Step 4: Simplify right side
    18,067.76x = 189,283,996.14
  5. Step 5: Solve for x
    x = 189,283,996.14/18,067.76
  6. Step 6: Final answer
    x = 10,476.34

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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.