Home / 18,375.98-27,586.38-12,141.32

Finding the Fourth Proportional to 18,375.98, 27,586.38 and 12,141.32

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Solution

The fourth proportional to 18,375.98, 27,586.38 and 12,141.32 is: 18,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.98 : 27,586.38 = 12,141.32 : x
  2. Step 2: Convert to fraction form
    18,375.98/27,586.38 = 12,141.32/x
  3. Step 3: Cross multiply
    18,375.98x = 27,586.38 × 12,141.32
  4. Step 4: Simplify right side
    18,375.98x = 334,935,067.22
  5. Step 5: Solve for x
    x = 334,935,067.22/18,375.98
  6. Step 6: Final answer
    x = 18,226.79

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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.