Home / 9,682.54-13,358.62-6,147.80

Finding the Fourth Proportional to 9,682.54, 13,358.62 and 6,147.80

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Solution

The fourth proportional to 9,682.54, 13,358.62 and 6,147.80 is: 8,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,682.54 : 13,358.62 = 6,147.80 : x
  2. Step 2: Convert to fraction form
    9,682.54/13,358.62 = 6,147.80/x
  3. Step 3: Cross multiply
    9,682.54x = 13,358.62 × 6,147.80
  4. Step 4: Simplify right side
    9,682.54x = 82,126,115.02
  5. Step 5: Solve for x
    x = 82,126,115.02/9,682.54
  6. Step 6: Final answer
    x = 8,481.88

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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.