Home / 18,020.46-27,016.68-11,681.95

Finding the Fourth Proportional to 18,020.46, 27,016.68 and 11,681.95

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Solution

The fourth proportional to 18,020.46, 27,016.68 and 11,681.95 is: 17,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.46 : 27,016.68 = 11,681.95 : x
  2. Step 2: Convert to fraction form
    18,020.46/27,016.68 = 11,681.95/x
  3. Step 3: Cross multiply
    18,020.46x = 27,016.68 × 11,681.95
  4. Step 4: Simplify right side
    18,020.46x = 315,607,504.93
  5. Step 5: Solve for x
    x = 315,607,504.93/18,020.46
  6. Step 6: Final answer
    x = 17,513.84

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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.