Home / 21,504.62-29,674.94-11,943.72

Finding the Fourth Proportional to 21,504.62, 29,674.94 and 11,943.72

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Solution

The fourth proportional to 21,504.62, 29,674.94 and 11,943.72 is: 16,481.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.62 : 29,674.94 = 11,943.72 : x
  2. Step 2: Convert to fraction form
    21,504.62/29,674.94 = 11,943.72/x
  3. Step 3: Cross multiply
    21,504.62x = 29,674.94 × 11,943.72
  4. Step 4: Simplify right side
    21,504.62x = 354,429,174.38
  5. Step 5: Solve for x
    x = 354,429,174.38/21,504.62
  6. Step 6: Final answer
    x = 16,481.54

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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.