Home / 11,965.32-17,947.33-3,645.16

Finding the Fourth Proportional to 11,965.32, 17,947.33 and 3,645.16

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Solution

The fourth proportional to 11,965.32, 17,947.33 and 3,645.16 is: 5,467.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.32 : 17,947.33 = 3,645.16 : x
  2. Step 2: Convert to fraction form
    11,965.32/17,947.33 = 3,645.16/x
  3. Step 3: Cross multiply
    11,965.32x = 17,947.33 × 3,645.16
  4. Step 4: Simplify right side
    11,965.32x = 65,420,835.44
  5. Step 5: Solve for x
    x = 65,420,835.44/11,965.32
  6. Step 6: Final answer
    x = 5,467.54

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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.