Home / 18,768.62-28,096.84-11,350.64

Finding the Fourth Proportional to 18,768.62, 28,096.84 and 11,350.64

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Solution

The fourth proportional to 18,768.62, 28,096.84 and 11,350.64 is: 16,992.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.62 : 28,096.84 = 11,350.64 : x
  2. Step 2: Convert to fraction form
    18,768.62/28,096.84 = 11,350.64/x
  3. Step 3: Cross multiply
    18,768.62x = 28,096.84 × 11,350.64
  4. Step 4: Simplify right side
    18,768.62x = 318,917,115.98
  5. Step 5: Solve for x
    x = 318,917,115.98/18,768.62
  6. Step 6: Final answer
    x = 16,992.04

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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.