Home / 8,171.62-12,246.09-4,268.23

Finding the Fourth Proportional to 8,171.62, 12,246.09 and 4,268.23

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Solution

The fourth proportional to 8,171.62, 12,246.09 and 4,268.23 is: 6,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.62 : 12,246.09 = 4,268.23 : x
  2. Step 2: Convert to fraction form
    8,171.62/12,246.09 = 4,268.23/x
  3. Step 3: Cross multiply
    8,171.62x = 12,246.09 × 4,268.23
  4. Step 4: Simplify right side
    8,171.62x = 52,269,082.10
  5. Step 5: Solve for x
    x = 52,269,082.10/8,171.62
  6. Step 6: Final answer
    x = 6,396.42

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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.