Home / 11,310.76-16,977.12-6,936.76

Finding the Fourth Proportional to 11,310.76, 16,977.12 and 6,936.76

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Solution

The fourth proportional to 11,310.76, 16,977.12 and 6,936.76 is: 10,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.76 : 16,977.12 = 6,936.76 : x
  2. Step 2: Convert to fraction form
    11,310.76/16,977.12 = 6,936.76/x
  3. Step 3: Cross multiply
    11,310.76x = 16,977.12 × 6,936.76
  4. Step 4: Simplify right side
    11,310.76x = 117,766,206.93
  5. Step 5: Solve for x
    x = 117,766,206.93/11,310.76
  6. Step 6: Final answer
    x = 10,411.87

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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.