Home / 13,771.08-18,976.68-9,572.04

Finding the Fourth Proportional to 13,771.08, 18,976.68 and 9,572.04

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Solution

The fourth proportional to 13,771.08, 18,976.68 and 9,572.04 is: 13,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,771.08 : 18,976.68 = 9,572.04 : x
  2. Step 2: Convert to fraction form
    13,771.08/18,976.68 = 9,572.04/x
  3. Step 3: Cross multiply
    13,771.08x = 18,976.68 × 9,572.04
  4. Step 4: Simplify right side
    13,771.08x = 181,645,540.03
  5. Step 5: Solve for x
    x = 181,645,540.03/13,771.08
  6. Step 6: Final answer
    x = 13,190.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.