Home / 10,078.40-15,118.42-3,504.44

Finding the Fourth Proportional to 10,078.40, 15,118.42 and 3,504.44

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Solution

The fourth proportional to 10,078.40, 15,118.42 and 3,504.44 is: 5,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.40 : 15,118.42 = 3,504.44 : x
  2. Step 2: Convert to fraction form
    10,078.40/15,118.42 = 3,504.44/x
  3. Step 3: Cross multiply
    10,078.40x = 15,118.42 × 3,504.44
  4. Step 4: Simplify right side
    10,078.40x = 52,981,595.78
  5. Step 5: Solve for x
    x = 52,981,595.78/10,078.40
  6. Step 6: Final answer
    x = 5,256.95

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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.