Home / 13,169.11-19,754.57-4,402.88

Finding the Fourth Proportional to 13,169.11, 19,754.57 and 4,402.88

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Solution

The fourth proportional to 13,169.11, 19,754.57 and 4,402.88 is: 6,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.11 : 19,754.57 = 4,402.88 : x
  2. Step 2: Convert to fraction form
    13,169.11/19,754.57 = 4,402.88/x
  3. Step 3: Cross multiply
    13,169.11x = 19,754.57 × 4,402.88
  4. Step 4: Simplify right side
    13,169.11x = 86,976,979.15
  5. Step 5: Solve for x
    x = 86,976,979.15/13,169.11
  6. Step 6: Final answer
    x = 6,604.62

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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.