Home / 10,311.24-15,469.12-3,293.40

Finding the Fourth Proportional to 10,311.24, 15,469.12 and 3,293.40

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Solution

The fourth proportional to 10,311.24, 15,469.12 and 3,293.40 is: 4,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.24 : 15,469.12 = 3,293.40 : x
  2. Step 2: Convert to fraction form
    10,311.24/15,469.12 = 3,293.40/x
  3. Step 3: Cross multiply
    10,311.24x = 15,469.12 × 3,293.40
  4. Step 4: Simplify right side
    10,311.24x = 50,945,999.81
  5. Step 5: Solve for x
    x = 50,945,999.81/10,311.24
  6. Step 6: Final answer
    x = 4,940.82

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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.