Home / 11,243.48-16,863.96-4,313.12

Finding the Fourth Proportional to 11,243.48, 16,863.96 and 4,313.12

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Solution

The fourth proportional to 11,243.48, 16,863.96 and 4,313.12 is: 6,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.48 : 16,863.96 = 4,313.12 : x
  2. Step 2: Convert to fraction form
    11,243.48/16,863.96 = 4,313.12/x
  3. Step 3: Cross multiply
    11,243.48x = 16,863.96 × 4,313.12
  4. Step 4: Simplify right side
    11,243.48x = 72,736,283.16
  5. Step 5: Solve for x
    x = 72,736,283.16/11,243.48
  6. Step 6: Final answer
    x = 6,469.20

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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.