Home / 11,361.89-17,046.63-5,813.75

Finding the Fourth Proportional to 11,361.89, 17,046.63 and 5,813.75

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Solution

The fourth proportional to 11,361.89, 17,046.63 and 5,813.75 is: 8,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.89 : 17,046.63 = 5,813.75 : x
  2. Step 2: Convert to fraction form
    11,361.89/17,046.63 = 5,813.75/x
  3. Step 3: Cross multiply
    11,361.89x = 17,046.63 × 5,813.75
  4. Step 4: Simplify right side
    11,361.89x = 99,104,887.78
  5. Step 5: Solve for x
    x = 99,104,887.78/11,361.89
  6. Step 6: Final answer
    x = 8,722.57

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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.