Home / 11,677.10-16,113.78-6,371.82

Finding the Fourth Proportional to 11,677.10, 16,113.78 and 6,371.82

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Solution

The fourth proportional to 11,677.10, 16,113.78 and 6,371.82 is: 8,792.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.10 : 16,113.78 = 6,371.82 : x
  2. Step 2: Convert to fraction form
    11,677.10/16,113.78 = 6,371.82/x
  3. Step 3: Cross multiply
    11,677.10x = 16,113.78 × 6,371.82
  4. Step 4: Simplify right side
    11,677.10x = 102,674,105.68
  5. Step 5: Solve for x
    x = 102,674,105.68/11,677.10
  6. Step 6: Final answer
    x = 8,792.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.