Home / 13,460.28-20,190.24-3,464.97

Finding the Fourth Proportional to 13,460.28, 20,190.24 and 3,464.97

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Solution

The fourth proportional to 13,460.28, 20,190.24 and 3,464.97 is: 5,197.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.28 : 20,190.24 = 3,464.97 : x
  2. Step 2: Convert to fraction form
    13,460.28/20,190.24 = 3,464.97/x
  3. Step 3: Cross multiply
    13,460.28x = 20,190.24 × 3,464.97
  4. Step 4: Simplify right side
    13,460.28x = 69,958,575.89
  5. Step 5: Solve for x
    x = 69,958,575.89/13,460.28
  6. Step 6: Final answer
    x = 5,197.41

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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.