Home / 13,198.39-19,797.60-3,964.39

Finding the Fourth Proportional to 13,198.39, 19,797.60 and 3,964.39

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Solution

The fourth proportional to 13,198.39, 19,797.60 and 3,964.39 is: 5,946.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198.39 : 19,797.60 = 3,964.39 : x
  2. Step 2: Convert to fraction form
    13,198.39/19,797.60 = 3,964.39/x
  3. Step 3: Cross multiply
    13,198.39x = 19,797.60 × 3,964.39
  4. Step 4: Simplify right side
    13,198.39x = 78,485,407.46
  5. Step 5: Solve for x
    x = 78,485,407.46/13,198.39
  6. Step 6: Final answer
    x = 5,946.59

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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.