Home / 11,096.21-15,311.39-6,316.79

Finding the Fourth Proportional to 11,096.21, 15,311.39 and 6,316.79

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Solution

The fourth proportional to 11,096.21, 15,311.39 and 6,316.79 is: 8,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,096.21 : 15,311.39 = 6,316.79 : x
  2. Step 2: Convert to fraction form
    11,096.21/15,311.39 = 6,316.79/x
  3. Step 3: Cross multiply
    11,096.21x = 15,311.39 × 6,316.79
  4. Step 4: Simplify right side
    11,096.21x = 96,718,727.10
  5. Step 5: Solve for x
    x = 96,718,727.10/11,096.21
  6. Step 6: Final answer
    x = 8,716.37

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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.