Home / 11,945.63-17,912.30-5,366.18

Finding the Fourth Proportional to 11,945.63, 17,912.30 and 5,366.18

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Solution

The fourth proportional to 11,945.63, 17,912.30 and 5,366.18 is: 8,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.63 : 17,912.30 = 5,366.18 : x
  2. Step 2: Convert to fraction form
    11,945.63/17,912.30 = 5,366.18/x
  3. Step 3: Cross multiply
    11,945.63x = 17,912.30 × 5,366.18
  4. Step 4: Simplify right side
    11,945.63x = 96,120,643.96
  5. Step 5: Solve for x
    x = 96,120,643.96/11,945.63
  6. Step 6: Final answer
    x = 8,046.51

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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.