Home / 12,099.45-18,149.28-3,334.85

Finding the Fourth Proportional to 12,099.45, 18,149.28 and 3,334.85

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Solution

The fourth proportional to 12,099.45, 18,149.28 and 3,334.85 is: 5,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.45 : 18,149.28 = 3,334.85 : x
  2. Step 2: Convert to fraction form
    12,099.45/18,149.28 = 3,334.85/x
  3. Step 3: Cross multiply
    12,099.45x = 18,149.28 × 3,334.85
  4. Step 4: Simplify right side
    12,099.45x = 60,525,126.41
  5. Step 5: Solve for x
    x = 60,525,126.41/12,099.45
  6. Step 6: Final answer
    x = 5,002.30

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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.