Home / 13,211.38-19,817.03-3,350.64

Finding the Fourth Proportional to 13,211.38, 19,817.03 and 3,350.64

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Solution

The fourth proportional to 13,211.38, 19,817.03 and 3,350.64 is: 5,025.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.38 : 19,817.03 = 3,350.64 : x
  2. Step 2: Convert to fraction form
    13,211.38/19,817.03 = 3,350.64/x
  3. Step 3: Cross multiply
    13,211.38x = 19,817.03 × 3,350.64
  4. Step 4: Simplify right side
    13,211.38x = 66,399,634.31
  5. Step 5: Solve for x
    x = 66,399,634.31/13,211.38
  6. Step 6: Final answer
    x = 5,025.94

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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.