Home / 11,716.54-17,580.58-5,476.98

Finding the Fourth Proportional to 11,716.54, 17,580.58 and 5,476.98

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Solution

The fourth proportional to 11,716.54, 17,580.58 and 5,476.98 is: 8,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,716.54 : 17,580.58 = 5,476.98 : x
  2. Step 2: Convert to fraction form
    11,716.54/17,580.58 = 5,476.98/x
  3. Step 3: Cross multiply
    11,716.54x = 17,580.58 × 5,476.98
  4. Step 4: Simplify right side
    11,716.54x = 96,288,485.05
  5. Step 5: Solve for x
    x = 96,288,485.05/11,716.54
  6. Step 6: Final answer
    x = 8,218.17

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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.