Home / 10,375.78-15,563.85-2,584.63

Finding the Fourth Proportional to 10,375.78, 15,563.85 and 2,584.63

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Solution

The fourth proportional to 10,375.78, 15,563.85 and 2,584.63 is: 3,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.78 : 15,563.85 = 2,584.63 : x
  2. Step 2: Convert to fraction form
    10,375.78/15,563.85 = 2,584.63/x
  3. Step 3: Cross multiply
    10,375.78x = 15,563.85 × 2,584.63
  4. Step 4: Simplify right side
    10,375.78x = 40,226,793.63
  5. Step 5: Solve for x
    x = 40,226,793.63/10,375.78
  6. Step 6: Final answer
    x = 3,876.99

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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.