Home / 12,067.38-18,102.89-4,274.37

Finding the Fourth Proportional to 12,067.38, 18,102.89 and 4,274.37

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Solution

The fourth proportional to 12,067.38, 18,102.89 and 4,274.37 is: 6,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.38 : 18,102.89 = 4,274.37 : x
  2. Step 2: Convert to fraction form
    12,067.38/18,102.89 = 4,274.37/x
  3. Step 3: Cross multiply
    12,067.38x = 18,102.89 × 4,274.37
  4. Step 4: Simplify right side
    12,067.38x = 77,378,460.62
  5. Step 5: Solve for x
    x = 77,378,460.62/12,067.38
  6. Step 6: Final answer
    x = 6,412.20

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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.