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Finding the Fourth Proportional to 22,324.70, 30,808.34 and 12,253.80

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Solution

The fourth proportional to 22,324.70, 30,808.34 and 12,253.80 is: 16,910.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,324.70 : 30,808.34 = 12,253.80 : x
  2. Step 2: Convert to fraction form
    22,324.70/30,808.34 = 12,253.80/x
  3. Step 3: Cross multiply
    22,324.70x = 30,808.34 × 12,253.80
  4. Step 4: Simplify right side
    22,324.70x = 377,519,236.69
  5. Step 5: Solve for x
    x = 377,519,236.69/22,324.70
  6. Step 6: Final answer
    x = 16,910.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.