Home / 13,801.67-20,694.94-4,311.38

Finding the Fourth Proportional to 13,801.67, 20,694.94 and 4,311.38

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Solution

The fourth proportional to 13,801.67, 20,694.94 and 4,311.38 is: 6,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.67 : 20,694.94 = 4,311.38 : x
  2. Step 2: Convert to fraction form
    13,801.67/20,694.94 = 4,311.38/x
  3. Step 3: Cross multiply
    13,801.67x = 20,694.94 × 4,311.38
  4. Step 4: Simplify right side
    13,801.67x = 89,223,699.22
  5. Step 5: Solve for x
    x = 89,223,699.22/13,801.67
  6. Step 6: Final answer
    x = 6,464.71

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1.5x scale

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.