Home / 18,067.79-27,103.73-4,920.27

Finding the Fourth Proportional to 18,067.79, 27,103.73 and 4,920.27

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Solution

The fourth proportional to 18,067.79, 27,103.73 and 4,920.27 is: 7,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067.79 : 27,103.73 = 4,920.27 : x
  2. Step 2: Convert to fraction form
    18,067.79/27,103.73 = 4,920.27/x
  3. Step 3: Cross multiply
    18,067.79x = 27,103.73 × 4,920.27
  4. Step 4: Simplify right side
    18,067.79x = 133,357,645.01
  5. Step 5: Solve for x
    x = 133,357,645.01/18,067.79
  6. Step 6: Final answer
    x = 7,380.96

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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.