Home / 18,422.65-27,638.30-7,329.97

Finding the Fourth Proportional to 18,422.65, 27,638.30 and 7,329.97

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Solution

The fourth proportional to 18,422.65, 27,638.30 and 7,329.97 is: 10,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.65 : 27,638.30 = 7,329.97 : x
  2. Step 2: Convert to fraction form
    18,422.65/27,638.30 = 7,329.97/x
  3. Step 3: Cross multiply
    18,422.65x = 27,638.30 × 7,329.97
  4. Step 4: Simplify right side
    18,422.65x = 202,587,909.85
  5. Step 5: Solve for x
    x = 202,587,909.85/18,422.65
  6. Step 6: Final answer
    x = 10,996.68

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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.