Home / 18,839.96-28,218.94-8,949.26

Finding the Fourth Proportional to 18,839.96, 28,218.94 and 8,949.26

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Solution

The fourth proportional to 18,839.96, 28,218.94 and 8,949.26 is: 13,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.96 : 28,218.94 = 8,949.26 : x
  2. Step 2: Convert to fraction form
    18,839.96/28,218.94 = 8,949.26/x
  3. Step 3: Cross multiply
    18,839.96x = 28,218.94 × 8,949.26
  4. Step 4: Simplify right side
    18,839.96x = 252,538,630.98
  5. Step 5: Solve for x
    x = 252,538,630.98/18,839.96
  6. Step 6: Final answer
    x = 13,404.41

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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.