Home / 12,115.05-18,179.72-6,568.26

Finding the Fourth Proportional to 12,115.05, 18,179.72 and 6,568.26

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Solution

The fourth proportional to 12,115.05, 18,179.72 and 6,568.26 is: 9,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.05 : 18,179.72 = 6,568.26 : x
  2. Step 2: Convert to fraction form
    12,115.05/18,179.72 = 6,568.26/x
  3. Step 3: Cross multiply
    12,115.05x = 18,179.72 × 6,568.26
  4. Step 4: Simplify right side
    12,115.05x = 119,409,127.69
  5. Step 5: Solve for x
    x = 119,409,127.69/12,115.05
  6. Step 6: Final answer
    x = 9,856.26

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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.