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Finding the Fourth Proportional to 21,682.68, 32,524.20 and 6,100.44

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Solution

The fourth proportional to 21,682.68, 32,524.20 and 6,100.44 is: 9,150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.68 : 32,524.20 = 6,100.44 : x
  2. Step 2: Convert to fraction form
    21,682.68/32,524.20 = 6,100.44/x
  3. Step 3: Cross multiply
    21,682.68x = 32,524.20 × 6,100.44
  4. Step 4: Simplify right side
    21,682.68x = 198,411,930.65
  5. Step 5: Solve for x
    x = 198,411,930.65/21,682.68
  6. Step 6: Final answer
    x = 9,150.71

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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.