Home / 19,620.91-27,076.26-10,668.43

Finding the Fourth Proportional to 19,620.91, 27,076.26 and 10,668.43

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Solution

The fourth proportional to 19,620.91, 27,076.26 and 10,668.43 is: 14,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.91 : 27,076.26 = 10,668.43 : x
  2. Step 2: Convert to fraction form
    19,620.91/27,076.26 = 10,668.43/x
  3. Step 3: Cross multiply
    19,620.91x = 27,076.26 × 10,668.43
  4. Step 4: Simplify right side
    19,620.91x = 288,861,184.47
  5. Step 5: Solve for x
    x = 288,861,184.47/19,620.91
  6. Step 6: Final answer
    x = 14,722.11

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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.