Home / 8,431.73-12,648.96-3,167.15

Finding the Fourth Proportional to 8,431.73, 12,648.96 and 3,167.15

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Solution

The fourth proportional to 8,431.73, 12,648.96 and 3,167.15 is: 4,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.73 : 12,648.96 = 3,167.15 : x
  2. Step 2: Convert to fraction form
    8,431.73/12,648.96 = 3,167.15/x
  3. Step 3: Cross multiply
    8,431.73x = 12,648.96 × 3,167.15
  4. Step 4: Simplify right side
    8,431.73x = 40,061,122.04
  5. Step 5: Solve for x
    x = 40,061,122.04/8,431.73
  6. Step 6: Final answer
    x = 4,751.24

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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.