Home / 21,704.46-29,954.97-12,274.89

Finding the Fourth Proportional to 21,704.46, 29,954.97 and 12,274.89

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Solution

The fourth proportional to 21,704.46, 29,954.97 and 12,274.89 is: 16,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,704.46 : 29,954.97 = 12,274.89 : x
  2. Step 2: Convert to fraction form
    21,704.46/29,954.97 = 12,274.89/x
  3. Step 3: Cross multiply
    21,704.46x = 29,954.97 × 12,274.89
  4. Step 4: Simplify right side
    21,704.46x = 367,693,961.70
  5. Step 5: Solve for x
    x = 367,693,961.70/21,704.46
  6. Step 6: Final answer
    x = 16,940.94

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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.