Home / 10,791.63-16,183.80-4,216.05

Finding the Fourth Proportional to 10,791.63, 16,183.80 and 4,216.05

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Solution

The fourth proportional to 10,791.63, 16,183.80 and 4,216.05 is: 6,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.63 : 16,183.80 = 4,216.05 : x
  2. Step 2: Convert to fraction form
    10,791.63/16,183.80 = 4,216.05/x
  3. Step 3: Cross multiply
    10,791.63x = 16,183.80 × 4,216.05
  4. Step 4: Simplify right side
    10,791.63x = 68,231,709.99
  5. Step 5: Solve for x
    x = 68,231,709.99/10,791.63
  6. Step 6: Final answer
    x = 6,322.65

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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.