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Finding the Fourth Proportional to 11,129.99, 16,695.86 and 3,734.44

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Solution

The fourth proportional to 11,129.99, 16,695.86 and 3,734.44 is: 5,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,129.99 : 16,695.86 = 3,734.44 : x
  2. Step 2: Convert to fraction form
    11,129.99/16,695.86 = 3,734.44/x
  3. Step 3: Cross multiply
    11,129.99x = 16,695.86 × 3,734.44
  4. Step 4: Simplify right side
    11,129.99x = 62,349,627.01
  5. Step 5: Solve for x
    x = 62,349,627.01/11,129.99
  6. Step 6: Final answer
    x = 5,601.95

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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.