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Finding the Fourth Proportional to 11,993.45, 16,550.69 and 7,519.64

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Solution

The fourth proportional to 11,993.45, 16,550.69 and 7,519.64 is: 10,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.45 : 16,550.69 = 7,519.64 : x
  2. Step 2: Convert to fraction form
    11,993.45/16,550.69 = 7,519.64/x
  3. Step 3: Cross multiply
    11,993.45x = 16,550.69 × 7,519.64
  4. Step 4: Simplify right side
    11,993.45x = 124,455,110.20
  5. Step 5: Solve for x
    x = 124,455,110.20/11,993.45
  6. Step 6: Final answer
    x = 10,376.93

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