Home / 22,942.40-34,370.40-11,811.20

Finding the Fourth Proportional to 22,942.40, 34,370.40 and 11,811.20

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Solution

The fourth proportional to 22,942.40, 34,370.40 and 11,811.20 is: 17,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,942.40 : 34,370.40 = 11,811.20 : x
  2. Step 2: Convert to fraction form
    22,942.40/34,370.40 = 11,811.20/x
  3. Step 3: Cross multiply
    22,942.40x = 34,370.40 × 11,811.20
  4. Step 4: Simplify right side
    22,942.40x = 405,955,668.48
  5. Step 5: Solve for x
    x = 405,955,668.48/22,942.40
  6. Step 6: Final answer
    x = 17,694.56

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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.