Home / 16,027.50-22,120.38-9,738.66

Finding the Fourth Proportional to 16,027.50, 22,120.38 and 9,738.66

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Solution

The fourth proportional to 16,027.50, 22,120.38 and 9,738.66 is: 13,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,027.50 : 22,120.38 = 9,738.66 : x
  2. Step 2: Convert to fraction form
    16,027.50/22,120.38 = 9,738.66/x
  3. Step 3: Cross multiply
    16,027.50x = 22,120.38 × 9,738.66
  4. Step 4: Simplify right side
    16,027.50x = 215,422,859.89
  5. Step 5: Solve for x
    x = 215,422,859.89/16,027.50
  6. Step 6: Final answer
    x = 13,440.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.