Home / 13,863.22-20,782.41-5,092.00

Finding the Fourth Proportional to 13,863.22, 20,782.41 and 5,092.00

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Solution

The fourth proportional to 13,863.22, 20,782.41 and 5,092.00 is: 7,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.22 : 20,782.41 = 5,092.00 : x
  2. Step 2: Convert to fraction form
    13,863.22/20,782.41 = 5,092.00/x
  3. Step 3: Cross multiply
    13,863.22x = 20,782.41 × 5,092.00
  4. Step 4: Simplify right side
    13,863.22x = 105,823,960.67
  5. Step 5: Solve for x
    x = 105,823,960.67/13,863.22
  6. Step 6: Final answer
    x = 7,633.43

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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.