Home / 18,258.50-27,367.74-7,163.12

Finding the Fourth Proportional to 18,258.50, 27,367.74 and 7,163.12

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Solution

The fourth proportional to 18,258.50, 27,367.74 and 7,163.12 is: 10,736.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.50 : 27,367.74 = 7,163.12 : x
  2. Step 2: Convert to fraction form
    18,258.50/27,367.74 = 7,163.12/x
  3. Step 3: Cross multiply
    18,258.50x = 27,367.74 × 7,163.12
  4. Step 4: Simplify right side
    18,258.50x = 196,038,405.75
  5. Step 5: Solve for x
    x = 196,038,405.75/18,258.50
  6. Step 6: Final answer
    x = 10,736.83

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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.