Home / 13,279.44-19,917.19-4,958.42

Finding the Fourth Proportional to 13,279.44, 19,917.19 and 4,958.42

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Solution

The fourth proportional to 13,279.44, 19,917.19 and 4,958.42 is: 7,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.44 : 19,917.19 = 4,958.42 : x
  2. Step 2: Convert to fraction form
    13,279.44/19,917.19 = 4,958.42/x
  3. Step 3: Cross multiply
    13,279.44x = 19,917.19 × 4,958.42
  4. Step 4: Simplify right side
    13,279.44x = 98,757,699.85
  5. Step 5: Solve for x
    x = 98,757,699.85/13,279.44
  6. Step 6: Final answer
    x = 7,436.89

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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.