Home / 18,267.82-27,381.68-11,934.88

Finding the Fourth Proportional to 18,267.82, 27,381.68 and 11,934.88

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Solution

The fourth proportional to 18,267.82, 27,381.68 and 11,934.88 is: 17,889.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.82 : 27,381.68 = 11,934.88 : x
  2. Step 2: Convert to fraction form
    18,267.82/27,381.68 = 11,934.88/x
  3. Step 3: Cross multiply
    18,267.82x = 27,381.68 × 11,934.88
  4. Step 4: Simplify right side
    18,267.82x = 326,797,065.00
  5. Step 5: Solve for x
    x = 326,797,065.00/18,267.82
  6. Step 6: Final answer
    x = 17,889.22

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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.