Home / 11,299.78-16,948.86-3,508.39

Finding the Fourth Proportional to 11,299.78, 16,948.86 and 3,508.39

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Solution

The fourth proportional to 11,299.78, 16,948.86 and 3,508.39 is: 5,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,299.78 : 16,948.86 = 3,508.39 : x
  2. Step 2: Convert to fraction form
    11,299.78/16,948.86 = 3,508.39/x
  3. Step 3: Cross multiply
    11,299.78x = 16,948.86 × 3,508.39
  4. Step 4: Simplify right side
    11,299.78x = 59,463,210.94
  5. Step 5: Solve for x
    x = 59,463,210.94/11,299.78
  6. Step 6: Final answer
    x = 5,262.33

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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.