Home / 12,704.22-19,058.17-3,939.84

Finding the Fourth Proportional to 12,704.22, 19,058.17 and 3,939.84

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Solution

The fourth proportional to 12,704.22, 19,058.17 and 3,939.84 is: 5,910.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,704.22 : 19,058.17 = 3,939.84 : x
  2. Step 2: Convert to fraction form
    12,704.22/19,058.17 = 3,939.84/x
  3. Step 3: Cross multiply
    12,704.22x = 19,058.17 × 3,939.84
  4. Step 4: Simplify right side
    12,704.22x = 75,086,140.49
  5. Step 5: Solve for x
    x = 75,086,140.49/12,704.22
  6. Step 6: Final answer
    x = 5,910.33

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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.