Home / 8,147.25-12,200.19-6,827.53

Finding the Fourth Proportional to 8,147.25, 12,200.19 and 6,827.53

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Solution

The fourth proportional to 8,147.25, 12,200.19 and 6,827.53 is: 10,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.25 : 12,200.19 = 6,827.53 : x
  2. Step 2: Convert to fraction form
    8,147.25/12,200.19 = 6,827.53/x
  3. Step 3: Cross multiply
    8,147.25x = 12,200.19 × 6,827.53
  4. Step 4: Simplify right side
    8,147.25x = 83,297,129.09
  5. Step 5: Solve for x
    x = 83,297,129.09/8,147.25
  6. Step 6: Final answer
    x = 10,223.96

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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.