Home / 12,388.67-17,096.25-6,723.38

Finding the Fourth Proportional to 12,388.67, 17,096.25 and 6,723.38

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Solution

The fourth proportional to 12,388.67, 17,096.25 and 6,723.38 is: 9,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,388.67 : 17,096.25 = 6,723.38 : x
  2. Step 2: Convert to fraction form
    12,388.67/17,096.25 = 6,723.38/x
  3. Step 3: Cross multiply
    12,388.67x = 17,096.25 × 6,723.38
  4. Step 4: Simplify right side
    12,388.67x = 114,944,585.33
  5. Step 5: Solve for x
    x = 114,944,585.33/12,388.67
  6. Step 6: Final answer
    x = 9,278.20

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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.