Home / 12,766.36-19,151.97-3,998.92

Finding the Fourth Proportional to 12,766.36, 19,151.97 and 3,998.92

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Solution

The fourth proportional to 12,766.36, 19,151.97 and 3,998.92 is: 5,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.36 : 19,151.97 = 3,998.92 : x
  2. Step 2: Convert to fraction form
    12,766.36/19,151.97 = 3,998.92/x
  3. Step 3: Cross multiply
    12,766.36x = 19,151.97 × 3,998.92
  4. Step 4: Simplify right side
    12,766.36x = 76,587,195.87
  5. Step 5: Solve for x
    x = 76,587,195.87/12,766.36
  6. Step 6: Final answer
    x = 5,999.14

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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.