Home / 11,863.58-17,795.38-3,098.48

Finding the Fourth Proportional to 11,863.58, 17,795.38 and 3,098.48

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Solution

The fourth proportional to 11,863.58, 17,795.38 and 3,098.48 is: 4,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.58 : 17,795.38 = 3,098.48 : x
  2. Step 2: Convert to fraction form
    11,863.58/17,795.38 = 3,098.48/x
  3. Step 3: Cross multiply
    11,863.58x = 17,795.38 × 3,098.48
  4. Step 4: Simplify right side
    11,863.58x = 55,138,629.02
  5. Step 5: Solve for x
    x = 55,138,629.02/11,863.58
  6. Step 6: Final answer
    x = 4,647.72

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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.