Home / 11,858.72-17,788.40-3,093.44

Finding the Fourth Proportional to 11,858.72, 17,788.40 and 3,093.44

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Solution

The fourth proportional to 11,858.72, 17,788.40 and 3,093.44 is: 4,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,858.72 : 17,788.40 = 3,093.44 : x
  2. Step 2: Convert to fraction form
    11,858.72/17,788.40 = 3,093.44/x
  3. Step 3: Cross multiply
    11,858.72x = 17,788.40 × 3,093.44
  4. Step 4: Simplify right side
    11,858.72x = 55,027,348.10
  5. Step 5: Solve for x
    x = 55,027,348.10/11,858.72
  6. Step 6: Final answer
    x = 4,640.24

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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.