Home / 18,704.44-28,051.85-5,553.76

Finding the Fourth Proportional to 18,704.44, 28,051.85 and 5,553.76

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Solution

The fourth proportional to 18,704.44, 28,051.85 and 5,553.76 is: 8,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.44 : 28,051.85 = 5,553.76 : x
  2. Step 2: Convert to fraction form
    18,704.44/28,051.85 = 5,553.76/x
  3. Step 3: Cross multiply
    18,704.44x = 28,051.85 × 5,553.76
  4. Step 4: Simplify right side
    18,704.44x = 155,793,102.20
  5. Step 5: Solve for x
    x = 155,793,102.20/18,704.44
  6. Step 6: Final answer
    x = 8,329.21

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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.