Home / 18,997.56-28,493.67-6,517.38

Finding the Fourth Proportional to 18,997.56, 28,493.67 and 6,517.38

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Solution

The fourth proportional to 18,997.56, 28,493.67 and 6,517.38 is: 9,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.56 : 28,493.67 = 6,517.38 : x
  2. Step 2: Convert to fraction form
    18,997.56/28,493.67 = 6,517.38/x
  3. Step 3: Cross multiply
    18,997.56x = 28,493.67 × 6,517.38
  4. Step 4: Simplify right side
    18,997.56x = 185,704,074.98
  5. Step 5: Solve for x
    x = 185,704,074.98/18,997.56
  6. Step 6: Final answer
    x = 9,775.15

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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.