Home / 12,727.41-19,091.11-3,963.21

Finding the Fourth Proportional to 12,727.41, 19,091.11 and 3,963.21

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Solution

The fourth proportional to 12,727.41, 19,091.11 and 3,963.21 is: 5,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.41 : 19,091.11 = 3,963.21 : x
  2. Step 2: Convert to fraction form
    12,727.41/19,091.11 = 3,963.21/x
  3. Step 3: Cross multiply
    12,727.41x = 19,091.11 × 3,963.21
  4. Step 4: Simplify right side
    12,727.41x = 75,662,078.06
  5. Step 5: Solve for x
    x = 75,662,078.06/12,727.41
  6. Step 6: Final answer
    x = 5,944.81

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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.