Home / 13,379.24-20,067.35-3,519.28

Finding the Fourth Proportional to 13,379.24, 20,067.35 and 3,519.28

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Solution

The fourth proportional to 13,379.24, 20,067.35 and 3,519.28 is: 5,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,379.24 : 20,067.35 = 3,519.28 : x
  2. Step 2: Convert to fraction form
    13,379.24/20,067.35 = 3,519.28/x
  3. Step 3: Cross multiply
    13,379.24x = 20,067.35 × 3,519.28
  4. Step 4: Simplify right side
    13,379.24x = 70,622,631.00
  5. Step 5: Solve for x
    x = 70,622,631.00/13,379.24
  6. Step 6: Final answer
    x = 5,278.52

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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.