Home / 10,794.20-16,187.04-5,245.90

Finding the Fourth Proportional to 10,794.20, 16,187.04 and 5,245.90

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Solution

The fourth proportional to 10,794.20, 16,187.04 and 5,245.90 is: 7,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.20 : 16,187.04 = 5,245.90 : x
  2. Step 2: Convert to fraction form
    10,794.20/16,187.04 = 5,245.90/x
  3. Step 3: Cross multiply
    10,794.20x = 16,187.04 × 5,245.90
  4. Step 4: Simplify right side
    10,794.20x = 84,915,552.67
  5. Step 5: Solve for x
    x = 84,915,552.67/10,794.20
  6. Step 6: Final answer
    x = 7,866.78

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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.