Home / 12,581.92-18,867.44-6,338.08

Finding the Fourth Proportional to 12,581.92, 18,867.44 and 6,338.08

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Solution

The fourth proportional to 12,581.92, 18,867.44 and 6,338.08 is: 9,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581.92 : 18,867.44 = 6,338.08 : x
  2. Step 2: Convert to fraction form
    12,581.92/18,867.44 = 6,338.08/x
  3. Step 3: Cross multiply
    12,581.92x = 18,867.44 × 6,338.08
  4. Step 4: Simplify right side
    12,581.92x = 119,583,344.12
  5. Step 5: Solve for x
    x = 119,583,344.12/12,581.92
  6. Step 6: Final answer
    x = 9,504.38

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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.