Home / 13,226.24-19,839.38-3,992.24

Finding the Fourth Proportional to 13,226.24, 19,839.38 and 3,992.24

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Solution

The fourth proportional to 13,226.24, 19,839.38 and 3,992.24 is: 5,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.24 : 19,839.38 = 3,992.24 : x
  2. Step 2: Convert to fraction form
    13,226.24/19,839.38 = 3,992.24/x
  3. Step 3: Cross multiply
    13,226.24x = 19,839.38 × 3,992.24
  4. Step 4: Simplify right side
    13,226.24x = 79,203,566.41
  5. Step 5: Solve for x
    x = 79,203,566.41/13,226.24
  6. Step 6: Final answer
    x = 5,988.37

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Similar ratio
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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.