Home / 10,889.43-16,335.59-3,491.43

Finding the Fourth Proportional to 10,889.43, 16,335.59 and 3,491.43

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Solution

The fourth proportional to 10,889.43, 16,335.59 and 3,491.43 is: 5,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.43 : 16,335.59 = 3,491.43 : x
  2. Step 2: Convert to fraction form
    10,889.43/16,335.59 = 3,491.43/x
  3. Step 3: Cross multiply
    10,889.43x = 16,335.59 × 3,491.43
  4. Step 4: Simplify right side
    10,889.43x = 57,034,568.99
  5. Step 5: Solve for x
    x = 57,034,568.99/10,889.43
  6. Step 6: Final answer
    x = 5,237.61

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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.