Home / 11,013.62-16,520.43-3,222.44

Finding the Fourth Proportional to 11,013.62, 16,520.43 and 3,222.44

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Solution

The fourth proportional to 11,013.62, 16,520.43 and 3,222.44 is: 4,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.62 : 16,520.43 = 3,222.44 : x
  2. Step 2: Convert to fraction form
    11,013.62/16,520.43 = 3,222.44/x
  3. Step 3: Cross multiply
    11,013.62x = 16,520.43 × 3,222.44
  4. Step 4: Simplify right side
    11,013.62x = 53,236,011.85
  5. Step 5: Solve for x
    x = 53,236,011.85/11,013.62
  6. Step 6: Final answer
    x = 4,833.65

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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.