Home / 19,640.65-27,104.06-11,144.44

Finding the Fourth Proportional to 19,640.65, 27,104.06 and 11,144.44

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Solution

The fourth proportional to 19,640.65, 27,104.06 and 11,144.44 is: 15,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.65 : 27,104.06 = 11,144.44 : x
  2. Step 2: Convert to fraction form
    19,640.65/27,104.06 = 11,144.44/x
  3. Step 3: Cross multiply
    19,640.65x = 27,104.06 × 11,144.44
  4. Step 4: Simplify right side
    19,640.65x = 302,059,570.43
  5. Step 5: Solve for x
    x = 302,059,570.43/19,640.65
  6. Step 6: Final answer
    x = 15,379.31

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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.