Home / 18,170.33-27,255.49-5,021.60

Finding the Fourth Proportional to 18,170.33, 27,255.49 and 5,021.60

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Solution

The fourth proportional to 18,170.33, 27,255.49 and 5,021.60 is: 7,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.33 : 27,255.49 = 5,021.60 : x
  2. Step 2: Convert to fraction form
    18,170.33/27,255.49 = 5,021.60/x
  3. Step 3: Cross multiply
    18,170.33x = 27,255.49 × 5,021.60
  4. Step 4: Simplify right side
    18,170.33x = 136,866,019.75
  5. Step 5: Solve for x
    x = 136,866,019.75/18,170.33
  6. Step 6: Final answer
    x = 7,532.39

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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.