Home / 19,634.10-29,450.44-8,540.79

Finding the Fourth Proportional to 19,634.10, 29,450.44 and 8,540.79

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Solution

The fourth proportional to 19,634.10, 29,450.44 and 8,540.79 is: 12,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,634.10 : 29,450.44 = 8,540.79 : x
  2. Step 2: Convert to fraction form
    19,634.10/29,450.44 = 8,540.79/x
  3. Step 3: Cross multiply
    19,634.10x = 29,450.44 × 8,540.79
  4. Step 4: Simplify right side
    19,634.10x = 251,530,041.30
  5. Step 5: Solve for x
    x = 251,530,041.30/19,634.10
  6. Step 6: Final answer
    x = 12,810.88

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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.