Home / 11,338.95-16,991.11-4,761.57

Finding the Fourth Proportional to 11,338.95, 16,991.11 and 4,761.57

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Solution

The fourth proportional to 11,338.95, 16,991.11 and 4,761.57 is: 7,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.95 : 16,991.11 = 4,761.57 : x
  2. Step 2: Convert to fraction form
    11,338.95/16,991.11 = 4,761.57/x
  3. Step 3: Cross multiply
    11,338.95x = 16,991.11 × 4,761.57
  4. Step 4: Simplify right side
    11,338.95x = 80,904,359.64
  5. Step 5: Solve for x
    x = 80,904,359.64/11,338.95
  6. Step 6: Final answer
    x = 7,135.08

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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.