Home / 11,230.89-16,850.22-3,840.55

Finding the Fourth Proportional to 11,230.89, 16,850.22 and 3,840.55

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Solution

The fourth proportional to 11,230.89, 16,850.22 and 3,840.55 is: 5,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.89 : 16,850.22 = 3,840.55 : x
  2. Step 2: Convert to fraction form
    11,230.89/16,850.22 = 3,840.55/x
  3. Step 3: Cross multiply
    11,230.89x = 16,850.22 × 3,840.55
  4. Step 4: Simplify right side
    11,230.89x = 64,714,112.42
  5. Step 5: Solve for x
    x = 64,714,112.42/11,230.89
  6. Step 6: Final answer
    x = 5,762.15

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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.