Home / 21,629.92-29,849.19-11,693.92

Finding the Fourth Proportional to 21,629.92, 29,849.19 and 11,693.92

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Solution

The fourth proportional to 21,629.92, 29,849.19 and 11,693.92 is: 16,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,629.92 : 29,849.19 = 11,693.92 : x
  2. Step 2: Convert to fraction form
    21,629.92/29,849.19 = 11,693.92/x
  3. Step 3: Cross multiply
    21,629.92x = 29,849.19 × 11,693.92
  4. Step 4: Simplify right side
    21,629.92x = 349,054,039.92
  5. Step 5: Solve for x
    x = 349,054,039.92/21,629.92
  6. Step 6: Final answer
    x = 16,137.56

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Why These Related Problems?

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