Home / 9,481.46-13,078.68-6,118.88

Finding the Fourth Proportional to 9,481.46, 13,078.68 and 6,118.88

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Solution

The fourth proportional to 9,481.46, 13,078.68 and 6,118.88 is: 8,440.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,481.46 : 13,078.68 = 6,118.88 : x
  2. Step 2: Convert to fraction form
    9,481.46/13,078.68 = 6,118.88/x
  3. Step 3: Cross multiply
    9,481.46x = 13,078.68 × 6,118.88
  4. Step 4: Simplify right side
    9,481.46x = 80,026,873.48
  5. Step 5: Solve for x
    x = 80,026,873.48/9,481.46
  6. Step 6: Final answer
    x = 8,440.35

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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.