Home / 10,816.22-16,221.44-4,238.76

Finding the Fourth Proportional to 10,816.22, 16,221.44 and 4,238.76

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Solution

The fourth proportional to 10,816.22, 16,221.44 and 4,238.76 is: 6,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,816.22 : 16,221.44 = 4,238.76 : x
  2. Step 2: Convert to fraction form
    10,816.22/16,221.44 = 4,238.76/x
  3. Step 3: Cross multiply
    10,816.22x = 16,221.44 × 4,238.76
  4. Step 4: Simplify right side
    10,816.22x = 68,758,791.01
  5. Step 5: Solve for x
    x = 68,758,791.01/10,816.22
  6. Step 6: Final answer
    x = 6,357.01

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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.