Home / 9,194.48-12,679.56-6,176.42

Finding the Fourth Proportional to 9,194.48, 12,679.56 and 6,176.42

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Solution

The fourth proportional to 9,194.48, 12,679.56 and 6,176.42 is: 8,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194.48 : 12,679.56 = 6,176.42 : x
  2. Step 2: Convert to fraction form
    9,194.48/12,679.56 = 6,176.42/x
  3. Step 3: Cross multiply
    9,194.48x = 12,679.56 × 6,176.42
  4. Step 4: Simplify right side
    9,194.48x = 78,314,287.98
  5. Step 5: Solve for x
    x = 78,314,287.98/9,194.48
  6. Step 6: Final answer
    x = 8,517.53

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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.