Home / 18,458.60-27,690.64-5,974.44

Finding the Fourth Proportional to 18,458.60, 27,690.64 and 5,974.44

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Solution

The fourth proportional to 18,458.60, 27,690.64 and 5,974.44 is: 8,962.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.60 : 27,690.64 = 5,974.44 : x
  2. Step 2: Convert to fraction form
    18,458.60/27,690.64 = 5,974.44/x
  3. Step 3: Cross multiply
    18,458.60x = 27,690.64 × 5,974.44
  4. Step 4: Simplify right side
    18,458.60x = 165,436,067.24
  5. Step 5: Solve for x
    x = 165,436,067.24/18,458.60
  6. Step 6: Final answer
    x = 8,962.55

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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.