Home / 11,749.73-16,213.79-6,443.69

Finding the Fourth Proportional to 11,749.73, 16,213.79 and 6,443.69

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Solution

The fourth proportional to 11,749.73, 16,213.79 and 6,443.69 is: 8,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.73 : 16,213.79 = 6,443.69 : x
  2. Step 2: Convert to fraction form
    11,749.73/16,213.79 = 6,443.69/x
  3. Step 3: Cross multiply
    11,749.73x = 16,213.79 × 6,443.69
  4. Step 4: Simplify right side
    11,749.73x = 104,476,604.27
  5. Step 5: Solve for x
    x = 104,476,604.27/11,749.73
  6. Step 6: Final answer
    x = 8,891.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.