Home / 10,268.82-15,401.40-4,425.90

Finding the Fourth Proportional to 10,268.82, 15,401.40 and 4,425.90

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Solution

The fourth proportional to 10,268.82, 15,401.40 and 4,425.90 is: 6,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.82 : 15,401.40 = 4,425.90 : x
  2. Step 2: Convert to fraction form
    10,268.82/15,401.40 = 4,425.90/x
  3. Step 3: Cross multiply
    10,268.82x = 15,401.40 × 4,425.90
  4. Step 4: Simplify right side
    10,268.82x = 68,165,056.26
  5. Step 5: Solve for x
    x = 68,165,056.26/10,268.82
  6. Step 6: Final answer
    x = 6,638.06

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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.