Home / 12,608.24-17,398.76-6,942.86

Finding the Fourth Proportional to 12,608.24, 17,398.76 and 6,942.86

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Solution

The fourth proportional to 12,608.24, 17,398.76 and 6,942.86 is: 9,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.24 : 17,398.76 = 6,942.86 : x
  2. Step 2: Convert to fraction form
    12,608.24/17,398.76 = 6,942.86/x
  3. Step 3: Cross multiply
    12,608.24x = 17,398.76 × 6,942.86
  4. Step 4: Simplify right side
    12,608.24x = 120,797,120.14
  5. Step 5: Solve for x
    x = 120,797,120.14/12,608.24
  6. Step 6: Final answer
    x = 9,580.81

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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.