Home / 9,191.25-12,680.30-6,003.54

Finding the Fourth Proportional to 9,191.25, 12,680.30 and 6,003.54

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Solution

The fourth proportional to 9,191.25, 12,680.30 and 6,003.54 is: 8,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.25 : 12,680.30 = 6,003.54 : x
  2. Step 2: Convert to fraction form
    9,191.25/12,680.30 = 6,003.54/x
  3. Step 3: Cross multiply
    9,191.25x = 12,680.30 × 6,003.54
  4. Step 4: Simplify right side
    9,191.25x = 76,126,658.24
  5. Step 5: Solve for x
    x = 76,126,658.24/9,191.25
  6. Step 6: Final answer
    x = 8,282.51

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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.