Home / 18,755.82-28,094.04-12,162.42

Finding the Fourth Proportional to 18,755.82, 28,094.04 and 12,162.42

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Solution

The fourth proportional to 18,755.82, 28,094.04 and 12,162.42 is: 18,217.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,755.82 : 28,094.04 = 12,162.42 : x
  2. Step 2: Convert to fraction form
    18,755.82/28,094.04 = 12,162.42/x
  3. Step 3: Cross multiply
    18,755.82x = 28,094.04 × 12,162.42
  4. Step 4: Simplify right side
    18,755.82x = 341,691,513.98
  5. Step 5: Solve for x
    x = 341,691,513.98/18,755.82
  6. Step 6: Final answer
    x = 18,217.89

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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.