Home / 12,195.36-18,286.56-4,799.52

Finding the Fourth Proportional to 12,195.36, 18,286.56 and 4,799.52

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Solution

The fourth proportional to 12,195.36, 18,286.56 and 4,799.52 is: 7,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.36 : 18,286.56 = 4,799.52 : x
  2. Step 2: Convert to fraction form
    12,195.36/18,286.56 = 4,799.52/x
  3. Step 3: Cross multiply
    12,195.36x = 18,286.56 × 4,799.52
  4. Step 4: Simplify right side
    12,195.36x = 87,766,710.45
  5. Step 5: Solve for x
    x = 87,766,710.45/12,195.36
  6. Step 6: Final answer
    x = 7,196.73

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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.