Home / 10,634.28-15,951.48-3,615

Finding the Fourth Proportional to 10,634.28, 15,951.48 and 3,615

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Solution

The fourth proportional to 10,634.28, 15,951.48 and 3,615 is: 5,422.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.28 : 15,951.48 = 3,615 : x
  2. Step 2: Convert to fraction form
    10,634.28/15,951.48 = 3,615/x
  3. Step 3: Cross multiply
    10,634.28x = 15,951.48 × 3,615
  4. Step 4: Simplify right side
    10,634.28x = 57,664,600.20
  5. Step 5: Solve for x
    x = 57,664,600.20/10,634.28
  6. Step 6: Final answer
    x = 5,422.52

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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.