Home / 18,021.26-27,034.48-5,542.34

Finding the Fourth Proportional to 18,021.26, 27,034.48 and 5,542.34

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Solution

The fourth proportional to 18,021.26, 27,034.48 and 5,542.34 is: 8,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.26 : 27,034.48 = 5,542.34 : x
  2. Step 2: Convert to fraction form
    18,021.26/27,034.48 = 5,542.34/x
  3. Step 3: Cross multiply
    18,021.26x = 27,034.48 × 5,542.34
  4. Step 4: Simplify right side
    18,021.26x = 149,834,205.24
  5. Step 5: Solve for x
    x = 149,834,205.24/18,021.26
  6. Step 6: Final answer
    x = 8,314.30

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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.