Home / 14,147.44-21,221.92-5,383.12

Finding the Fourth Proportional to 14,147.44, 21,221.92 and 5,383.12

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Solution

The fourth proportional to 14,147.44, 21,221.92 and 5,383.12 is: 8,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,147.44 : 21,221.92 = 5,383.12 : x
  2. Step 2: Convert to fraction form
    14,147.44/21,221.92 = 5,383.12/x
  3. Step 3: Cross multiply
    14,147.44x = 21,221.92 × 5,383.12
  4. Step 4: Simplify right side
    14,147.44x = 114,240,141.99
  5. Step 5: Solve for x
    x = 114,240,141.99/14,147.44
  6. Step 6: Final answer
    x = 8,074.97

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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.