Home / 13,452-20,181.24-4,218

Finding the Fourth Proportional to 13,452, 20,181.24 and 4,218

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Solution

The fourth proportional to 13,452, 20,181.24 and 4,218 is: 6,328.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452 : 20,181.24 = 4,218 : x
  2. Step 2: Convert to fraction form
    13,452/20,181.24 = 4,218/x
  3. Step 3: Cross multiply
    13,452x = 20,181.24 × 4,218
  4. Step 4: Simplify right side
    13,452x = 85,124,470.32
  5. Step 5: Solve for x
    x = 85,124,470.32/13,452
  6. Step 6: Final answer
    x = 6,328.02

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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.