Home / 18,704.97-28,062.72-5,557.86

Finding the Fourth Proportional to 18,704.97, 28,062.72 and 5,557.86

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Solution

The fourth proportional to 18,704.97, 28,062.72 and 5,557.86 is: 8,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,704.97 : 28,062.72 = 5,557.86 : x
  2. Step 2: Convert to fraction form
    18,704.97/28,062.72 = 5,557.86/x
  3. Step 3: Cross multiply
    18,704.97x = 28,062.72 × 5,557.86
  4. Step 4: Simplify right side
    18,704.97x = 155,968,668.98
  5. Step 5: Solve for x
    x = 155,968,668.98/18,704.97
  6. Step 6: Final answer
    x = 8,338.35

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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.