Home / 11,241.92-16,850.24-4,215.12

Finding the Fourth Proportional to 11,241.92, 16,850.24 and 4,215.12

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Solution

The fourth proportional to 11,241.92, 16,850.24 and 4,215.12 is: 6,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.92 : 16,850.24 = 4,215.12 : x
  2. Step 2: Convert to fraction form
    11,241.92/16,850.24 = 4,215.12/x
  3. Step 3: Cross multiply
    11,241.92x = 16,850.24 × 4,215.12
  4. Step 4: Simplify right side
    11,241.92x = 71,025,783.63
  5. Step 5: Solve for x
    x = 71,025,783.63/11,241.92
  6. Step 6: Final answer
    x = 6,317.94

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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.