Home / 11,196.28-15,450.45-6,160.20

Finding the Fourth Proportional to 11,196.28, 15,450.45 and 6,160.20

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Solution

The fourth proportional to 11,196.28, 15,450.45 and 6,160.20 is: 8,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.28 : 15,450.45 = 6,160.20 : x
  2. Step 2: Convert to fraction form
    11,196.28/15,450.45 = 6,160.20/x
  3. Step 3: Cross multiply
    11,196.28x = 15,450.45 × 6,160.20
  4. Step 4: Simplify right side
    11,196.28x = 95,177,867.96
  5. Step 5: Solve for x
    x = 95,177,867.96/11,196.28
  6. Step 6: Final answer
    x = 8,500.85

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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.