Home / 10,424.20-15,638.08-3,850.42

Finding the Fourth Proportional to 10,424.20, 15,638.08 and 3,850.42

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Solution

The fourth proportional to 10,424.20, 15,638.08 and 3,850.42 is: 5,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.20 : 15,638.08 = 3,850.42 : x
  2. Step 2: Convert to fraction form
    10,424.20/15,638.08 = 3,850.42/x
  3. Step 3: Cross multiply
    10,424.20x = 15,638.08 × 3,850.42
  4. Step 4: Simplify right side
    10,424.20x = 60,213,175.99
  5. Step 5: Solve for x
    x = 60,213,175.99/10,424.20
  6. Step 6: Final answer
    x = 5,776.29

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1.5x scale

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.