Home / 21,194.92-29,249.70-11,762.60

Finding the Fourth Proportional to 21,194.92, 29,249.70 and 11,762.60

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Solution

The fourth proportional to 21,194.92, 29,249.70 and 11,762.60 is: 16,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.92 : 29,249.70 = 11,762.60 : x
  2. Step 2: Convert to fraction form
    21,194.92/29,249.70 = 11,762.60/x
  3. Step 3: Cross multiply
    21,194.92x = 29,249.70 × 11,762.60
  4. Step 4: Simplify right side
    21,194.92x = 344,052,521.22
  5. Step 5: Solve for x
    x = 344,052,521.22/21,194.92
  6. Step 6: Final answer
    x = 16,232.78

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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.