Home / 11,229.05-16,840.70-3,329.72

Finding the Fourth Proportional to 11,229.05, 16,840.70 and 3,329.72

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Solution

The fourth proportional to 11,229.05, 16,840.70 and 3,329.72 is: 4,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.05 : 16,840.70 = 3,329.72 : x
  2. Step 2: Convert to fraction form
    11,229.05/16,840.70 = 3,329.72/x
  3. Step 3: Cross multiply
    11,229.05x = 16,840.70 × 3,329.72
  4. Step 4: Simplify right side
    11,229.05x = 56,074,731.40
  5. Step 5: Solve for x
    x = 56,074,731.40/11,229.05
  6. Step 6: Final answer
    x = 4,993.72

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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.