Home / 12,874.96-19,310.82-4,109.14

Finding the Fourth Proportional to 12,874.96, 19,310.82 and 4,109.14

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Solution

The fourth proportional to 12,874.96, 19,310.82 and 4,109.14 is: 6,163.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,874.96 : 19,310.82 = 4,109.14 : x
  2. Step 2: Convert to fraction form
    12,874.96/19,310.82 = 4,109.14/x
  3. Step 3: Cross multiply
    12,874.96x = 19,310.82 × 4,109.14
  4. Step 4: Simplify right side
    12,874.96x = 79,350,862.89
  5. Step 5: Solve for x
    x = 79,350,862.89/12,874.96
  6. Step 6: Final answer
    x = 6,163.19

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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.