Home / 11,963.24-17,887.87-10,917.56

Finding the Fourth Proportional to 11,963.24, 17,887.87 and 10,917.56

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Solution

The fourth proportional to 11,963.24, 17,887.87 and 10,917.56 is: 16,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,963.24 : 17,887.87 = 10,917.56 : x
  2. Step 2: Convert to fraction form
    11,963.24/17,887.87 = 10,917.56/x
  3. Step 3: Cross multiply
    11,963.24x = 17,887.87 × 10,917.56
  4. Step 4: Simplify right side
    11,963.24x = 195,291,894.00
  5. Step 5: Solve for x
    x = 195,291,894.00/11,963.24
  6. Step 6: Final answer
    x = 16,324.33

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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.