Home / 11,653.62-16,081.91-6,348.43

Finding the Fourth Proportional to 11,653.62, 16,081.91 and 6,348.43

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Solution

The fourth proportional to 11,653.62, 16,081.91 and 6,348.43 is: 8,760.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.62 : 16,081.91 = 6,348.43 : x
  2. Step 2: Convert to fraction form
    11,653.62/16,081.91 = 6,348.43/x
  3. Step 3: Cross multiply
    11,653.62x = 16,081.91 × 6,348.43
  4. Step 4: Simplify right side
    11,653.62x = 102,094,848.16
  5. Step 5: Solve for x
    x = 102,094,848.16/11,653.62
  6. Step 6: Final answer
    x = 8,760.79

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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.