Home / 11,947.36-17,922.48-3,182.44

Finding the Fourth Proportional to 11,947.36, 17,922.48 and 3,182.44

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Solution

The fourth proportional to 11,947.36, 17,922.48 and 3,182.44 is: 4,774.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.36 : 17,922.48 = 3,182.44 : x
  2. Step 2: Convert to fraction form
    11,947.36/17,922.48 = 3,182.44/x
  3. Step 3: Cross multiply
    11,947.36x = 17,922.48 × 3,182.44
  4. Step 4: Simplify right side
    11,947.36x = 57,037,217.25
  5. Step 5: Solve for x
    x = 57,037,217.25/11,947.36
  6. Step 6: Final answer
    x = 4,774.04

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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.