Home / 11,212.44-16,818.65-6,217.87

Finding the Fourth Proportional to 11,212.44, 16,818.65 and 6,217.87

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Solution

The fourth proportional to 11,212.44, 16,818.65 and 6,217.87 is: 9,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.44 : 16,818.65 = 6,217.87 : x
  2. Step 2: Convert to fraction form
    11,212.44/16,818.65 = 6,217.87/x
  3. Step 3: Cross multiply
    11,212.44x = 16,818.65 × 6,217.87
  4. Step 4: Simplify right side
    11,212.44x = 104,576,179.28
  5. Step 5: Solve for x
    x = 104,576,179.28/11,212.44
  6. Step 6: Final answer
    x = 9,326.80

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1.5x scale

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.