Home / 11,711.62-16,163.85-6,675.85

Finding the Fourth Proportional to 11,711.62, 16,163.85 and 6,675.85

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Solution

The fourth proportional to 11,711.62, 16,163.85 and 6,675.85 is: 9,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.62 : 16,163.85 = 6,675.85 : x
  2. Step 2: Convert to fraction form
    11,711.62/16,163.85 = 6,675.85/x
  3. Step 3: Cross multiply
    11,711.62x = 16,163.85 × 6,675.85
  4. Step 4: Simplify right side
    11,711.62x = 107,907,438.02
  5. Step 5: Solve for x
    x = 107,907,438.02/11,711.62
  6. Step 6: Final answer
    x = 9,213.71

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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.