Home / 11,964.99-17,947.50-3,199.90

Finding the Fourth Proportional to 11,964.99, 17,947.50 and 3,199.90

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Solution

The fourth proportional to 11,964.99, 17,947.50 and 3,199.90 is: 4,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.99 : 17,947.50 = 3,199.90 : x
  2. Step 2: Convert to fraction form
    11,964.99/17,947.50 = 3,199.90/x
  3. Step 3: Cross multiply
    11,964.99x = 17,947.50 × 3,199.90
  4. Step 4: Simplify right side
    11,964.99x = 57,430,205.25
  5. Step 5: Solve for x
    x = 57,430,205.25/11,964.99
  6. Step 6: Final answer
    x = 4,799.85

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Similar ratio
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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.