Home / 11,218.38-16,833.71-5,374.99

Finding the Fourth Proportional to 11,218.38, 16,833.71 and 5,374.99

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Solution

The fourth proportional to 11,218.38, 16,833.71 and 5,374.99 is: 8,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.38 : 16,833.71 = 5,374.99 : x
  2. Step 2: Convert to fraction form
    11,218.38/16,833.71 = 5,374.99/x
  3. Step 3: Cross multiply
    11,218.38x = 16,833.71 × 5,374.99
  4. Step 4: Simplify right side
    11,218.38x = 90,481,022.91
  5. Step 5: Solve for x
    x = 90,481,022.91/11,218.38
  6. Step 6: Final answer
    x = 8,065.43

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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.