Home / 21,634.92-32,455.62-6,839.06

Finding the Fourth Proportional to 21,634.92, 32,455.62 and 6,839.06

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Solution

The fourth proportional to 21,634.92, 32,455.62 and 6,839.06 is: 10,259.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.92 : 32,455.62 = 6,839.06 : x
  2. Step 2: Convert to fraction form
    21,634.92/32,455.62 = 6,839.06/x
  3. Step 3: Cross multiply
    21,634.92x = 32,455.62 × 6,839.06
  4. Step 4: Simplify right side
    21,634.92x = 221,965,770.24
  5. Step 5: Solve for x
    x = 221,965,770.24/21,634.92
  6. Step 6: Final answer
    x = 10,259.61

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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.