Home / 10,369.62-15,554.49-2,578.43

Finding the Fourth Proportional to 10,369.62, 15,554.49 and 2,578.43

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Solution

The fourth proportional to 10,369.62, 15,554.49 and 2,578.43 is: 3,867.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.62 : 15,554.49 = 2,578.43 : x
  2. Step 2: Convert to fraction form
    10,369.62/15,554.49 = 2,578.43/x
  3. Step 3: Cross multiply
    10,369.62x = 15,554.49 × 2,578.43
  4. Step 4: Simplify right side
    10,369.62x = 40,106,192.87
  5. Step 5: Solve for x
    x = 40,106,192.87/10,369.62
  6. Step 6: Final answer
    x = 3,867.66

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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.