Home / 18,200.62-27,284.68-7,104.72

Finding the Fourth Proportional to 18,200.62, 27,284.68 and 7,104.72

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Solution

The fourth proportional to 18,200.62, 27,284.68 and 7,104.72 is: 10,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,200.62 : 27,284.68 = 7,104.72 : x
  2. Step 2: Convert to fraction form
    18,200.62/27,284.68 = 7,104.72/x
  3. Step 3: Cross multiply
    18,200.62x = 27,284.68 × 7,104.72
  4. Step 4: Simplify right side
    18,200.62x = 193,850,011.69
  5. Step 5: Solve for x
    x = 193,850,011.69/18,200.62
  6. Step 6: Final answer
    x = 10,650.74

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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.