Home / 18,503.85-27,770.37-6,825.27

Finding the Fourth Proportional to 18,503.85, 27,770.37 and 6,825.27

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Solution

The fourth proportional to 18,503.85, 27,770.37 and 6,825.27 is: 10,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.85 : 27,770.37 = 6,825.27 : x
  2. Step 2: Convert to fraction form
    18,503.85/27,770.37 = 6,825.27/x
  3. Step 3: Cross multiply
    18,503.85x = 27,770.37 × 6,825.27
  4. Step 4: Simplify right side
    18,503.85x = 189,540,273.25
  5. Step 5: Solve for x
    x = 189,540,273.25/18,503.85
  6. Step 6: Final answer
    x = 10,243.29

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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.