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Finding the Fourth Proportional to 18,229.35, 27,330.02 and 8,361.51

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Solution

The fourth proportional to 18,229.35, 27,330.02 and 8,361.51 is: 12,535.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.35 : 27,330.02 = 8,361.51 : x
  2. Step 2: Convert to fraction form
    18,229.35/27,330.02 = 8,361.51/x
  3. Step 3: Cross multiply
    18,229.35x = 27,330.02 × 8,361.51
  4. Step 4: Simplify right side
    18,229.35x = 228,520,193.72
  5. Step 5: Solve for x
    x = 228,520,193.72/18,229.35
  6. Step 6: Final answer
    x = 12,535.84

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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.