Home / 10,369.26-15,553.87-2,578.07

Finding the Fourth Proportional to 10,369.26, 15,553.87 and 2,578.07

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Solution

The fourth proportional to 10,369.26, 15,553.87 and 2,578.07 is: 3,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.26 : 15,553.87 = 2,578.07 : x
  2. Step 2: Convert to fraction form
    10,369.26/15,553.87 = 2,578.07/x
  3. Step 3: Cross multiply
    10,369.26x = 15,553.87 × 2,578.07
  4. Step 4: Simplify right side
    10,369.26x = 40,098,965.63
  5. Step 5: Solve for x
    x = 40,098,965.63/10,369.26
  6. Step 6: Final answer
    x = 3,867.10

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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.