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Finding the Fourth Proportional to 11,105.52, 16,625.07 and 6,709.65

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Solution

The fourth proportional to 11,105.52, 16,625.07 and 6,709.65 is: 10,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.52 : 16,625.07 = 6,709.65 : x
  2. Step 2: Convert to fraction form
    11,105.52/16,625.07 = 6,709.65/x
  3. Step 3: Cross multiply
    11,105.52x = 16,625.07 × 6,709.65
  4. Step 4: Simplify right side
    11,105.52x = 111,548,400.93
  5. Step 5: Solve for x
    x = 111,548,400.93/11,105.52
  6. Step 6: Final answer
    x = 10,044.41

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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.