Home / 22,450.46-30,979.52-13,018

Finding the Fourth Proportional to 22,450.46, 30,979.52 and 13,018

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Solution

The fourth proportional to 22,450.46, 30,979.52 and 13,018 is: 17,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,450.46 : 30,979.52 = 13,018 : x
  2. Step 2: Convert to fraction form
    22,450.46/30,979.52 = 13,018/x
  3. Step 3: Cross multiply
    22,450.46x = 30,979.52 × 13,018
  4. Step 4: Simplify right side
    22,450.46x = 403,291,391.36
  5. Step 5: Solve for x
    x = 403,291,391.36/22,450.46
  6. Step 6: Final answer
    x = 17,963.61

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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.