Home / 22,954.37-31,676.94-12,882.78

Finding the Fourth Proportional to 22,954.37, 31,676.94 and 12,882.78

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Solution

The fourth proportional to 22,954.37, 31,676.94 and 12,882.78 is: 17,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,954.37 : 31,676.94 = 12,882.78 : x
  2. Step 2: Convert to fraction form
    22,954.37/31,676.94 = 12,882.78/x
  3. Step 3: Cross multiply
    22,954.37x = 31,676.94 × 12,882.78
  4. Step 4: Simplify right side
    22,954.37x = 408,087,049.09
  5. Step 5: Solve for x
    x = 408,087,049.09/22,954.37
  6. Step 6: Final answer
    x = 17,778.19

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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.