Home / 12,814.44-19,224.26-5,418.88

Finding the Fourth Proportional to 12,814.44, 19,224.26 and 5,418.88

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Solution

The fourth proportional to 12,814.44, 19,224.26 and 5,418.88 is: 8,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.44 : 19,224.26 = 5,418.88 : x
  2. Step 2: Convert to fraction form
    12,814.44/19,224.26 = 5,418.88/x
  3. Step 3: Cross multiply
    12,814.44x = 19,224.26 × 5,418.88
  4. Step 4: Simplify right side
    12,814.44x = 104,173,958.03
  5. Step 5: Solve for x
    x = 104,173,958.03/12,814.44
  6. Step 6: Final answer
    x = 8,129.42

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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.