Home / 13,099.66-19,650.21-3,738.95

Finding the Fourth Proportional to 13,099.66, 19,650.21 and 3,738.95

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Solution

The fourth proportional to 13,099.66, 19,650.21 and 3,738.95 is: 5,608.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.66 : 19,650.21 = 3,738.95 : x
  2. Step 2: Convert to fraction form
    13,099.66/19,650.21 = 3,738.95/x
  3. Step 3: Cross multiply
    13,099.66x = 19,650.21 × 3,738.95
  4. Step 4: Simplify right side
    13,099.66x = 73,471,152.68
  5. Step 5: Solve for x
    x = 73,471,152.68/13,099.66
  6. Step 6: Final answer
    x = 5,608.63

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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.