Home / 12,766.92-19,149.36-8,073.24

Finding the Fourth Proportional to 12,766.92, 19,149.36 and 8,073.24

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Solution

The fourth proportional to 12,766.92, 19,149.36 and 8,073.24 is: 12,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.92 : 19,149.36 = 8,073.24 : x
  2. Step 2: Convert to fraction form
    12,766.92/19,149.36 = 8,073.24/x
  3. Step 3: Cross multiply
    12,766.92x = 19,149.36 × 8,073.24
  4. Step 4: Simplify right side
    12,766.92x = 154,597,379.13
  5. Step 5: Solve for x
    x = 154,597,379.13/12,766.92
  6. Step 6: Final answer
    x = 12,109.21

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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.