Home / 12,181.56-18,272.22-3,861.56

Finding the Fourth Proportional to 12,181.56, 18,272.22 and 3,861.56

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Solution

The fourth proportional to 12,181.56, 18,272.22 and 3,861.56 is: 5,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.56 : 18,272.22 = 3,861.56 : x
  2. Step 2: Convert to fraction form
    12,181.56/18,272.22 = 3,861.56/x
  3. Step 3: Cross multiply
    12,181.56x = 18,272.22 × 3,861.56
  4. Step 4: Simplify right side
    12,181.56x = 70,559,273.86
  5. Step 5: Solve for x
    x = 70,559,273.86/12,181.56
  6. Step 6: Final answer
    x = 5,792.30

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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.