Home / 21,511.44-32,254.58-8,348.45

Finding the Fourth Proportional to 21,511.44, 32,254.58 and 8,348.45

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Solution

The fourth proportional to 21,511.44, 32,254.58 and 8,348.45 is: 12,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,511.44 : 32,254.58 = 8,348.45 : x
  2. Step 2: Convert to fraction form
    21,511.44/32,254.58 = 8,348.45/x
  3. Step 3: Cross multiply
    21,511.44x = 32,254.58 × 8,348.45
  4. Step 4: Simplify right side
    21,511.44x = 269,275,545.39
  5. Step 5: Solve for x
    x = 269,275,545.39/21,511.44
  6. Step 6: Final answer
    x = 12,517.78

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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.