Home / 21,163.92-29,206.06-11,732.44

Finding the Fourth Proportional to 21,163.92, 29,206.06 and 11,732.44

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Solution

The fourth proportional to 21,163.92, 29,206.06 and 11,732.44 is: 16,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,163.92 : 29,206.06 = 11,732.44 : x
  2. Step 2: Convert to fraction form
    21,163.92/29,206.06 = 11,732.44/x
  3. Step 3: Cross multiply
    21,163.92x = 29,206.06 × 11,732.44
  4. Step 4: Simplify right side
    21,163.92x = 342,658,346.59
  5. Step 5: Solve for x
    x = 342,658,346.59/21,163.92
  6. Step 6: Final answer
    x = 16,190.68

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1.5x scale

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.