Home / 18,200.75-27,284.87-7,104.85

Finding the Fourth Proportional to 18,200.75, 27,284.87 and 7,104.85

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Solution

The fourth proportional to 18,200.75, 27,284.87 and 7,104.85 is: 10,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.75 : 27,284.87 = 7,104.85 : x
  2. Step 2: Convert to fraction form
    18,200.75/27,284.87 = 7,104.85/x
  3. Step 3: Cross multiply
    18,200.75x = 27,284.87 × 7,104.85
  4. Step 4: Simplify right side
    18,200.75x = 193,854,908.62
  5. Step 5: Solve for x
    x = 193,854,908.62/18,200.75
  6. Step 6: Final answer
    x = 10,650.93

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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.