Home / 11,942.43-16,481.87-6,838.44

Finding the Fourth Proportional to 11,942.43, 16,481.87 and 6,838.44

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Solution

The fourth proportional to 11,942.43, 16,481.87 and 6,838.44 is: 9,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,942.43 : 16,481.87 = 6,838.44 : x
  2. Step 2: Convert to fraction form
    11,942.43/16,481.87 = 6,838.44/x
  3. Step 3: Cross multiply
    11,942.43x = 16,481.87 × 6,838.44
  4. Step 4: Simplify right side
    11,942.43x = 112,710,279.08
  5. Step 5: Solve for x
    x = 112,710,279.08/11,942.43
  6. Step 6: Final answer
    x = 9,437.80

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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.