Home / 18,414.08-27,609.60-12,250.88

Finding the Fourth Proportional to 18,414.08, 27,609.60 and 12,250.88

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Solution

The fourth proportional to 18,414.08, 27,609.60 and 12,250.88 is: 18,368.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.08 : 27,609.60 = 12,250.88 : x
  2. Step 2: Convert to fraction form
    18,414.08/27,609.60 = 12,250.88/x
  3. Step 3: Cross multiply
    18,414.08x = 27,609.60 × 12,250.88
  4. Step 4: Simplify right side
    18,414.08x = 338,241,896.45
  5. Step 5: Solve for x
    x = 338,241,896.45/18,414.08
  6. Step 6: Final answer
    x = 18,368.66

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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.