Home / 10,643.46-15,967.67-3,247.90

Finding the Fourth Proportional to 10,643.46, 15,967.67 and 3,247.90

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Solution

The fourth proportional to 10,643.46, 15,967.67 and 3,247.90 is: 4,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.46 : 15,967.67 = 3,247.90 : x
  2. Step 2: Convert to fraction form
    10,643.46/15,967.67 = 3,247.90/x
  3. Step 3: Cross multiply
    10,643.46x = 15,967.67 × 3,247.90
  4. Step 4: Simplify right side
    10,643.46x = 51,861,379.15
  5. Step 5: Solve for x
    x = 51,861,379.15/10,643.46
  6. Step 6: Final answer
    x = 4,872.61

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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.