Home / 12,134.92-18,218.70-6,296.20

Finding the Fourth Proportional to 12,134.92, 18,218.70 and 6,296.20

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Solution

The fourth proportional to 12,134.92, 18,218.70 and 6,296.20 is: 9,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.92 : 18,218.70 = 6,296.20 : x
  2. Step 2: Convert to fraction form
    12,134.92/18,218.70 = 6,296.20/x
  3. Step 3: Cross multiply
    12,134.92x = 18,218.70 × 6,296.20
  4. Step 4: Simplify right side
    12,134.92x = 114,708,578.94
  5. Step 5: Solve for x
    x = 114,708,578.94/12,134.92
  6. Step 6: Final answer
    x = 9,452.77

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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.