Home / 14,067.92-21,095.37-5,181

Finding the Fourth Proportional to 14,067.92, 21,095.37 and 5,181

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Solution

The fourth proportional to 14,067.92, 21,095.37 and 5,181 is: 7,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.92 : 21,095.37 = 5,181 : x
  2. Step 2: Convert to fraction form
    14,067.92/21,095.37 = 5,181/x
  3. Step 3: Cross multiply
    14,067.92x = 21,095.37 × 5,181
  4. Step 4: Simplify right side
    14,067.92x = 109,295,111.97
  5. Step 5: Solve for x
    x = 109,295,111.97/14,067.92
  6. Step 6: Final answer
    x = 7,769.10

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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.