Home / 22,418.27-33,628.62-8,381.98

Finding the Fourth Proportional to 22,418.27, 33,628.62 and 8,381.98

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Solution

The fourth proportional to 22,418.27, 33,628.62 and 8,381.98 is: 12,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.27 : 33,628.62 = 8,381.98 : x
  2. Step 2: Convert to fraction form
    22,418.27/33,628.62 = 8,381.98/x
  3. Step 3: Cross multiply
    22,418.27x = 33,628.62 × 8,381.98
  4. Step 4: Simplify right side
    22,418.27x = 281,874,446.59
  5. Step 5: Solve for x
    x = 281,874,446.59/22,418.27
  6. Step 6: Final answer
    x = 12,573.43

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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.