Home / 19,974.82-29,958.11-9,440.37

Finding the Fourth Proportional to 19,974.82, 29,958.11 and 9,440.37

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Solution

The fourth proportional to 19,974.82, 29,958.11 and 9,440.37 is: 14,158.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.82 : 29,958.11 = 9,440.37 : x
  2. Step 2: Convert to fraction form
    19,974.82/29,958.11 = 9,440.37/x
  3. Step 3: Cross multiply
    19,974.82x = 29,958.11 × 9,440.37
  4. Step 4: Simplify right side
    19,974.82x = 282,815,642.90
  5. Step 5: Solve for x
    x = 282,815,642.90/19,974.82
  6. Step 6: Final answer
    x = 14,158.61

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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.