Home / 11,188.44-15,439.46-6,472.80

Finding the Fourth Proportional to 11,188.44, 15,439.46 and 6,472.80

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Solution

The fourth proportional to 11,188.44, 15,439.46 and 6,472.80 is: 8,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.44 : 15,439.46 = 6,472.80 : x
  2. Step 2: Convert to fraction form
    11,188.44/15,439.46 = 6,472.80/x
  3. Step 3: Cross multiply
    11,188.44x = 15,439.46 × 6,472.80
  4. Step 4: Simplify right side
    11,188.44x = 99,936,504.32
  5. Step 5: Solve for x
    x = 99,936,504.32/11,188.44
  6. Step 6: Final answer
    x = 8,932.12

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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.