Home / 11,674.39-16,110.57-6,638.61

Finding the Fourth Proportional to 11,674.39, 16,110.57 and 6,638.61

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Solution

The fourth proportional to 11,674.39, 16,110.57 and 6,638.61 is: 9,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.39 : 16,110.57 = 6,638.61 : x
  2. Step 2: Convert to fraction form
    11,674.39/16,110.57 = 6,638.61/x
  3. Step 3: Cross multiply
    11,674.39x = 16,110.57 × 6,638.61
  4. Step 4: Simplify right side
    11,674.39x = 106,951,791.11
  5. Step 5: Solve for x
    x = 106,951,791.11/11,674.39
  6. Step 6: Final answer
    x = 9,161.23

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1.5x scale

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.