Home / 12,944.44-19,422.12-8,269.72

Finding the Fourth Proportional to 12,944.44, 19,422.12 and 8,269.72

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Solution

The fourth proportional to 12,944.44, 19,422.12 and 8,269.72 is: 12,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.44 : 19,422.12 = 8,269.72 : x
  2. Step 2: Convert to fraction form
    12,944.44/19,422.12 = 8,269.72/x
  3. Step 3: Cross multiply
    12,944.44x = 19,422.12 × 8,269.72
  4. Step 4: Simplify right side
    12,944.44x = 160,615,562.65
  5. Step 5: Solve for x
    x = 160,615,562.65/12,944.44
  6. Step 6: Final answer
    x = 12,408.08

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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.