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Finding the Fourth Proportional to 11,192.94, 16,778.07 and 7,035.89

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Solution

The fourth proportional to 11,192.94, 16,778.07 and 7,035.89 is: 10,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.94 : 16,778.07 = 7,035.89 : x
  2. Step 2: Convert to fraction form
    11,192.94/16,778.07 = 7,035.89/x
  3. Step 3: Cross multiply
    11,192.94x = 16,778.07 × 7,035.89
  4. Step 4: Simplify right side
    11,192.94x = 118,048,571.04
  5. Step 5: Solve for x
    x = 118,048,571.04/11,192.94
  6. Step 6: Final answer
    x = 10,546.70

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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.