Home / 12,684.26-19,025.91-3,919.16

Finding the Fourth Proportional to 12,684.26, 19,025.91 and 3,919.16

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Solution

The fourth proportional to 12,684.26, 19,025.91 and 3,919.16 is: 5,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,684.26 : 19,025.91 = 3,919.16 : x
  2. Step 2: Convert to fraction form
    12,684.26/19,025.91 = 3,919.16/x
  3. Step 3: Cross multiply
    12,684.26x = 19,025.91 × 3,919.16
  4. Step 4: Simplify right side
    12,684.26x = 74,565,490.31
  5. Step 5: Solve for x
    x = 74,565,490.31/12,684.26
  6. Step 6: Final answer
    x = 5,878.59

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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.