Home / 18,255.49-27,383.24-7,167.40

Finding the Fourth Proportional to 18,255.49, 27,383.24 and 7,167.40

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Solution

The fourth proportional to 18,255.49, 27,383.24 and 7,167.40 is: 10,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.49 : 27,383.24 = 7,167.40 : x
  2. Step 2: Convert to fraction form
    18,255.49/27,383.24 = 7,167.40/x
  3. Step 3: Cross multiply
    18,255.49x = 27,383.24 × 7,167.40
  4. Step 4: Simplify right side
    18,255.49x = 196,266,634.38
  5. Step 5: Solve for x
    x = 196,266,634.38/18,255.49
  6. Step 6: Final answer
    x = 10,751.10

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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.