Home / 10,935.57-16,403.37-3,144.39

Finding the Fourth Proportional to 10,935.57, 16,403.37 and 3,144.39

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Solution

The fourth proportional to 10,935.57, 16,403.37 and 3,144.39 is: 4,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.57 : 16,403.37 = 3,144.39 : x
  2. Step 2: Convert to fraction form
    10,935.57/16,403.37 = 3,144.39/x
  3. Step 3: Cross multiply
    10,935.57x = 16,403.37 × 3,144.39
  4. Step 4: Simplify right side
    10,935.57x = 51,578,592.59
  5. Step 5: Solve for x
    x = 51,578,592.59/10,935.57
  6. Step 6: Final answer
    x = 4,716.59

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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.