Home / 18,704.38-28,061.19-5,556.73

Finding the Fourth Proportional to 18,704.38, 28,061.19 and 5,556.73

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Solution

The fourth proportional to 18,704.38, 28,061.19 and 5,556.73 is: 8,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.38 : 28,061.19 = 5,556.73 : x
  2. Step 2: Convert to fraction form
    18,704.38/28,061.19 = 5,556.73/x
  3. Step 3: Cross multiply
    18,704.38x = 28,061.19 × 5,556.73
  4. Step 4: Simplify right side
    18,704.38x = 155,928,288.22
  5. Step 5: Solve for x
    x = 155,928,288.22/18,704.38
  6. Step 6: Final answer
    x = 8,336.46

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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.