Home / 11,192.75-15,446.30-6,157.28

Finding the Fourth Proportional to 11,192.75, 15,446.30 and 6,157.28

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Solution

The fourth proportional to 11,192.75, 15,446.30 and 6,157.28 is: 8,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.75 : 15,446.30 = 6,157.28 : x
  2. Step 2: Convert to fraction form
    11,192.75/15,446.30 = 6,157.28/x
  3. Step 3: Cross multiply
    11,192.75x = 15,446.30 × 6,157.28
  4. Step 4: Simplify right side
    11,192.75x = 95,107,086.05
  5. Step 5: Solve for x
    x = 95,107,086.05/11,192.75
  6. Step 6: Final answer
    x = 8,497.21

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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.