Home / 12,025.85-18,040.74-3,705.86

Finding the Fourth Proportional to 12,025.85, 18,040.74 and 3,705.86

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Solution

The fourth proportional to 12,025.85, 18,040.74 and 3,705.86 is: 5,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,025.85 : 18,040.74 = 3,705.86 : x
  2. Step 2: Convert to fraction form
    12,025.85/18,040.74 = 3,705.86/x
  3. Step 3: Cross multiply
    12,025.85x = 18,040.74 × 3,705.86
  4. Step 4: Simplify right side
    12,025.85x = 66,856,366.53
  5. Step 5: Solve for x
    x = 66,856,366.53/12,025.85
  6. Step 6: Final answer
    x = 5,559.39

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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.