Home / 11,962.35-17,947.35-3,643.97

Finding the Fourth Proportional to 11,962.35, 17,947.35 and 3,643.97

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Solution

The fourth proportional to 11,962.35, 17,947.35 and 3,643.97 is: 5,467.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.35 : 17,947.35 = 3,643.97 : x
  2. Step 2: Convert to fraction form
    11,962.35/17,947.35 = 3,643.97/x
  3. Step 3: Cross multiply
    11,962.35x = 17,947.35 × 3,643.97
  4. Step 4: Simplify right side
    11,962.35x = 65,399,515.24
  5. Step 5: Solve for x
    x = 65,399,515.24/11,962.35
  6. Step 6: Final answer
    x = 5,467.11

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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.