Home / 12,770.62-19,149.76-4,450.44

Finding the Fourth Proportional to 12,770.62, 19,149.76 and 4,450.44

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Solution

The fourth proportional to 12,770.62, 19,149.76 and 4,450.44 is: 6,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.62 : 19,149.76 = 4,450.44 : x
  2. Step 2: Convert to fraction form
    12,770.62/19,149.76 = 4,450.44/x
  3. Step 3: Cross multiply
    12,770.62x = 19,149.76 × 4,450.44
  4. Step 4: Simplify right side
    12,770.62x = 85,224,857.89
  5. Step 5: Solve for x
    x = 85,224,857.89/12,770.62
  6. Step 6: Final answer
    x = 6,673.51

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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.