Home / 11,962.89-17,942.94-3,198.49

Finding the Fourth Proportional to 11,962.89, 17,942.94 and 3,198.49

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Solution

The fourth proportional to 11,962.89, 17,942.94 and 3,198.49 is: 4,797.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.89 : 17,942.94 = 3,198.49 : x
  2. Step 2: Convert to fraction form
    11,962.89/17,942.94 = 3,198.49/x
  3. Step 3: Cross multiply
    11,962.89x = 17,942.94 × 3,198.49
  4. Step 4: Simplify right side
    11,962.89x = 57,390,269.30
  5. Step 5: Solve for x
    x = 57,390,269.30/11,962.89
  6. Step 6: Final answer
    x = 4,797.36

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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.