Home / 10,422.20-15,634.34-3,401.93

Finding the Fourth Proportional to 10,422.20, 15,634.34 and 3,401.93

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Solution

The fourth proportional to 10,422.20, 15,634.34 and 3,401.93 is: 5,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.20 : 15,634.34 = 3,401.93 : x
  2. Step 2: Convert to fraction form
    10,422.20/15,634.34 = 3,401.93/x
  3. Step 3: Cross multiply
    10,422.20x = 15,634.34 × 3,401.93
  4. Step 4: Simplify right side
    10,422.20x = 53,186,930.28
  5. Step 5: Solve for x
    x = 53,186,930.28/10,422.20
  6. Step 6: Final answer
    x = 5,103.23

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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.