Home / 12,105.11-16,704.03-6,727.70

Finding the Fourth Proportional to 12,105.11, 16,704.03 and 6,727.70

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Solution

The fourth proportional to 12,105.11, 16,704.03 and 6,727.70 is: 9,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,105.11 : 16,704.03 = 6,727.70 : x
  2. Step 2: Convert to fraction form
    12,105.11/16,704.03 = 6,727.70/x
  3. Step 3: Cross multiply
    12,105.11x = 16,704.03 × 6,727.70
  4. Step 4: Simplify right side
    12,105.11x = 112,379,619.11
  5. Step 5: Solve for x
    x = 112,379,619.11/12,105.11
  6. Step 6: Final answer
    x = 9,283.66

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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.