Home / 9,316.68-12,850.11-6,760.79

Finding the Fourth Proportional to 9,316.68, 12,850.11 and 6,760.79

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Solution

The fourth proportional to 9,316.68, 12,850.11 and 6,760.79 is: 9,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.68 : 12,850.11 = 6,760.79 : x
  2. Step 2: Convert to fraction form
    9,316.68/12,850.11 = 6,760.79/x
  3. Step 3: Cross multiply
    9,316.68x = 12,850.11 × 6,760.79
  4. Step 4: Simplify right side
    9,316.68x = 86,876,895.19
  5. Step 5: Solve for x
    x = 86,876,895.19/9,316.68
  6. Step 6: Final answer
    x = 9,324.88

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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.