Home / 21,664.32-32,496.33-6,081.96

Finding the Fourth Proportional to 21,664.32, 32,496.33 and 6,081.96

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Solution

The fourth proportional to 21,664.32, 32,496.33 and 6,081.96 is: 9,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.32 : 32,496.33 = 6,081.96 : x
  2. Step 2: Convert to fraction form
    21,664.32/32,496.33 = 6,081.96/x
  3. Step 3: Cross multiply
    21,664.32x = 32,496.33 × 6,081.96
  4. Step 4: Simplify right side
    21,664.32x = 197,641,379.21
  5. Step 5: Solve for x
    x = 197,641,379.21/21,664.32
  6. Step 6: Final answer
    x = 9,122.90

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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.