Home / 12,578.08-18,867.20-3,344

Finding the Fourth Proportional to 12,578.08, 18,867.20 and 3,344

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Solution

The fourth proportional to 12,578.08, 18,867.20 and 3,344 is: 5,016.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578.08 : 18,867.20 = 3,344 : x
  2. Step 2: Convert to fraction form
    12,578.08/18,867.20 = 3,344/x
  3. Step 3: Cross multiply
    12,578.08x = 18,867.20 × 3,344
  4. Step 4: Simplify right side
    12,578.08x = 63,091,916.80
  5. Step 5: Solve for x
    x = 63,091,916.80/12,578.08
  6. Step 6: Final answer
    x = 5,016.02

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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.