Home / 21,770.22-32,654.66-6,187.85

Finding the Fourth Proportional to 21,770.22, 32,654.66 and 6,187.85

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Solution

The fourth proportional to 21,770.22, 32,654.66 and 6,187.85 is: 9,281.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.22 : 32,654.66 = 6,187.85 : x
  2. Step 2: Convert to fraction form
    21,770.22/32,654.66 = 6,187.85/x
  3. Step 3: Cross multiply
    21,770.22x = 32,654.66 × 6,187.85
  4. Step 4: Simplify right side
    21,770.22x = 202,062,137.88
  5. Step 5: Solve for x
    x = 202,062,137.88/21,770.22
  6. Step 6: Final answer
    x = 9,281.58

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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.