Home / 17,921.31-24,725.62-9,962

Finding the Fourth Proportional to 17,921.31, 24,725.62 and 9,962

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Solution

The fourth proportional to 17,921.31, 24,725.62 and 9,962 is: 13,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.31 : 24,725.62 = 9,962 : x
  2. Step 2: Convert to fraction form
    17,921.31/24,725.62 = 9,962/x
  3. Step 3: Cross multiply
    17,921.31x = 24,725.62 × 9,962
  4. Step 4: Simplify right side
    17,921.31x = 246,316,626.44
  5. Step 5: Solve for x
    x = 246,316,626.44/17,921.31
  6. Step 6: Final answer
    x = 13,744.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.