Home / 10,745.10-16,119.66-3,724.80

Finding the Fourth Proportional to 10,745.10, 16,119.66 and 3,724.80

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Solution

The fourth proportional to 10,745.10, 16,119.66 and 3,724.80 is: 5,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.10 : 16,119.66 = 3,724.80 : x
  2. Step 2: Convert to fraction form
    10,745.10/16,119.66 = 3,724.80/x
  3. Step 3: Cross multiply
    10,745.10x = 16,119.66 × 3,724.80
  4. Step 4: Simplify right side
    10,745.10x = 60,042,509.57
  5. Step 5: Solve for x
    x = 60,042,509.57/10,745.10
  6. Step 6: Final answer
    x = 5,587.90

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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.