Home / 21,654.82-32,481.88-6,863.72

Finding the Fourth Proportional to 21,654.82, 32,481.88 and 6,863.72

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Solution

The fourth proportional to 21,654.82, 32,481.88 and 6,863.72 is: 10,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.82 : 32,481.88 = 6,863.72 : x
  2. Step 2: Convert to fraction form
    21,654.82/32,481.88 = 6,863.72/x
  3. Step 3: Cross multiply
    21,654.82x = 32,481.88 × 6,863.72
  4. Step 4: Simplify right side
    21,654.82x = 222,946,529.39
  5. Step 5: Solve for x
    x = 222,946,529.39/21,654.82
  6. Step 6: Final answer
    x = 10,295.47

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1.5x scale

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.