Home / 14,260.72-21,391.10-3,872.48

Finding the Fourth Proportional to 14,260.72, 21,391.10 and 3,872.48

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Solution

The fourth proportional to 14,260.72, 21,391.10 and 3,872.48 is: 5,808.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,260.72 : 21,391.10 = 3,872.48 : x
  2. Step 2: Convert to fraction form
    14,260.72/21,391.10 = 3,872.48/x
  3. Step 3: Cross multiply
    14,260.72x = 21,391.10 × 3,872.48
  4. Step 4: Simplify right side
    14,260.72x = 82,836,606.93
  5. Step 5: Solve for x
    x = 82,836,606.93/14,260.72
  6. Step 6: Final answer
    x = 5,808.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.