Home / 21,046.92-29,039.49-12,096.96

Finding the Fourth Proportional to 21,046.92, 29,039.49 and 12,096.96

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Solution

The fourth proportional to 21,046.92, 29,039.49 and 12,096.96 is: 16,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.92 : 29,039.49 = 12,096.96 : x
  2. Step 2: Convert to fraction form
    21,046.92/29,039.49 = 12,096.96/x
  3. Step 3: Cross multiply
    21,046.92x = 29,039.49 × 12,096.96
  4. Step 4: Simplify right side
    21,046.92x = 351,289,548.95
  5. Step 5: Solve for x
    x = 351,289,548.95/21,046.92
  6. Step 6: Final answer
    x = 16,690.78

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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.