Home / 19,744.11-27,249.84-12,091.95

Finding the Fourth Proportional to 19,744.11, 27,249.84 and 12,091.95

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Solution

The fourth proportional to 19,744.11, 27,249.84 and 12,091.95 is: 16,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.11 : 27,249.84 = 12,091.95 : x
  2. Step 2: Convert to fraction form
    19,744.11/27,249.84 = 12,091.95/x
  3. Step 3: Cross multiply
    19,744.11x = 27,249.84 × 12,091.95
  4. Step 4: Simplify right side
    19,744.11x = 329,503,702.79
  5. Step 5: Solve for x
    x = 329,503,702.79/19,744.11
  6. Step 6: Final answer
    x = 16,688.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.