Home / 18,031.65-27,061.42-11,789.97

Finding the Fourth Proportional to 18,031.65, 27,061.42 and 11,789.97

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Solution

The fourth proportional to 18,031.65, 27,061.42 and 11,789.97 is: 17,694.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,031.65 : 27,061.42 = 11,789.97 : x
  2. Step 2: Convert to fraction form
    18,031.65/27,061.42 = 11,789.97/x
  3. Step 3: Cross multiply
    18,031.65x = 27,061.42 × 11,789.97
  4. Step 4: Simplify right side
    18,031.65x = 319,053,329.96
  5. Step 5: Solve for x
    x = 319,053,329.96/18,031.65
  6. Step 6: Final answer
    x = 17,694.07

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1.5x scale

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.