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Finding the Fourth Proportional to 22,144.95, 33,231.15 and 8,997.48

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Solution

The fourth proportional to 22,144.95, 33,231.15 and 8,997.48 is: 13,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.95 : 33,231.15 = 8,997.48 : x
  2. Step 2: Convert to fraction form
    22,144.95/33,231.15 = 8,997.48/x
  3. Step 3: Cross multiply
    22,144.95x = 33,231.15 × 8,997.48
  4. Step 4: Simplify right side
    22,144.95x = 298,996,607.50
  5. Step 5: Solve for x
    x = 298,996,607.50/22,144.95
  6. Step 6: Final answer
    x = 13,501.80

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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.