Home / 13,471.05-20,209.79-6,791.14

Finding the Fourth Proportional to 13,471.05, 20,209.79 and 6,791.14

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Solution

The fourth proportional to 13,471.05, 20,209.79 and 6,791.14 is: 10,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.05 : 20,209.79 = 6,791.14 : x
  2. Step 2: Convert to fraction form
    13,471.05/20,209.79 = 6,791.14/x
  3. Step 3: Cross multiply
    13,471.05x = 20,209.79 × 6,791.14
  4. Step 4: Simplify right side
    13,471.05x = 137,247,513.26
  5. Step 5: Solve for x
    x = 137,247,513.26/13,471.05
  6. Step 6: Final answer
    x = 10,188.33

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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.