Home / 21,546.60-32,306.67-8,383.65

Finding the Fourth Proportional to 21,546.60, 32,306.67 and 8,383.65

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Solution

The fourth proportional to 21,546.60, 32,306.67 and 8,383.65 is: 12,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.60 : 32,306.67 = 8,383.65 : x
  2. Step 2: Convert to fraction form
    21,546.60/32,306.67 = 8,383.65/x
  3. Step 3: Cross multiply
    21,546.60x = 32,306.67 × 8,383.65
  4. Step 4: Simplify right side
    21,546.60x = 270,847,813.95
  5. Step 5: Solve for x
    x = 270,847,813.95/21,546.60
  6. Step 6: Final answer
    x = 12,570.33

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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.