Home / 11,321.83-15,623.84-6,286.03

Finding the Fourth Proportional to 11,321.83, 15,623.84 and 6,286.03

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Solution

The fourth proportional to 11,321.83, 15,623.84 and 6,286.03 is: 8,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.83 : 15,623.84 = 6,286.03 : x
  2. Step 2: Convert to fraction form
    11,321.83/15,623.84 = 6,286.03/x
  3. Step 3: Cross multiply
    11,321.83x = 15,623.84 × 6,286.03
  4. Step 4: Simplify right side
    11,321.83x = 98,211,912.19
  5. Step 5: Solve for x
    x = 98,211,912.19/11,321.83
  6. Step 6: Final answer
    x = 8,674.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.