Home / 18,169.74-27,266.13-9,855.42

Finding the Fourth Proportional to 18,169.74, 27,266.13 and 9,855.42

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Solution

The fourth proportional to 18,169.74, 27,266.13 and 9,855.42 is: 14,789.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.74 : 27,266.13 = 9,855.42 : x
  2. Step 2: Convert to fraction form
    18,169.74/27,266.13 = 9,855.42/x
  3. Step 3: Cross multiply
    18,169.74x = 27,266.13 × 9,855.42
  4. Step 4: Simplify right side
    18,169.74x = 268,719,162.92
  5. Step 5: Solve for x
    x = 268,719,162.92/18,169.74
  6. Step 6: Final answer
    x = 14,789.38

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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.