Home / 11,513.80-17,269-3,192.96

Finding the Fourth Proportional to 11,513.80, 17,269 and 3,192.96

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Solution

The fourth proportional to 11,513.80, 17,269 and 3,192.96 is: 4,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.80 : 17,269 = 3,192.96 : x
  2. Step 2: Convert to fraction form
    11,513.80/17,269 = 3,192.96/x
  3. Step 3: Cross multiply
    11,513.80x = 17,269 × 3,192.96
  4. Step 4: Simplify right side
    11,513.80x = 55,139,226.24
  5. Step 5: Solve for x
    x = 55,139,226.24/11,513.80
  6. Step 6: Final answer
    x = 4,788.97

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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.