Home / 10,939.36-16,411.66-3,543.83

Finding the Fourth Proportional to 10,939.36, 16,411.66 and 3,543.83

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Solution

The fourth proportional to 10,939.36, 16,411.66 and 3,543.83 is: 5,316.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.36 : 16,411.66 = 3,543.83 : x
  2. Step 2: Convert to fraction form
    10,939.36/16,411.66 = 3,543.83/x
  3. Step 3: Cross multiply
    10,939.36x = 16,411.66 × 3,543.83
  4. Step 4: Simplify right side
    10,939.36x = 58,160,103.68
  5. Step 5: Solve for x
    x = 58,160,103.68/10,939.36
  6. Step 6: Final answer
    x = 5,316.59

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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.