Home / 21,486.56-32,234.32-6,694.88

Finding the Fourth Proportional to 21,486.56, 32,234.32 and 6,694.88

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Solution

The fourth proportional to 21,486.56, 32,234.32 and 6,694.88 is: 10,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,486.56 : 32,234.32 = 6,694.88 : x
  2. Step 2: Convert to fraction form
    21,486.56/32,234.32 = 6,694.88/x
  3. Step 3: Cross multiply
    21,486.56x = 32,234.32 × 6,694.88
  4. Step 4: Simplify right side
    21,486.56x = 215,804,904.28
  5. Step 5: Solve for x
    x = 215,804,904.28/21,486.56
  6. Step 6: Final answer
    x = 10,043.72

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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.