Home / 11,944.80-17,914.32-5,012.64

Finding the Fourth Proportional to 11,944.80, 17,914.32 and 5,012.64

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Solution

The fourth proportional to 11,944.80, 17,914.32 and 5,012.64 is: 7,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.80 : 17,914.32 = 5,012.64 : x
  2. Step 2: Convert to fraction form
    11,944.80/17,914.32 = 5,012.64/x
  3. Step 3: Cross multiply
    11,944.80x = 17,914.32 × 5,012.64
  4. Step 4: Simplify right side
    11,944.80x = 89,798,037.00
  5. Step 5: Solve for x
    x = 89,798,037.00/11,944.80
  6. Step 6: Final answer
    x = 7,517.75

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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.