Home / 11,286.74-15,576.26-6,810.42

Finding the Fourth Proportional to 11,286.74, 15,576.26 and 6,810.42

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Solution

The fourth proportional to 11,286.74, 15,576.26 and 6,810.42 is: 9,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.74 : 15,576.26 = 6,810.42 : x
  2. Step 2: Convert to fraction form
    11,286.74/15,576.26 = 6,810.42/x
  3. Step 3: Cross multiply
    11,286.74x = 15,576.26 × 6,810.42
  4. Step 4: Simplify right side
    11,286.74x = 106,080,835.35
  5. Step 5: Solve for x
    x = 106,080,835.35/11,286.74
  6. Step 6: Final answer
    x = 9,398.71

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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.