Home / 9,366.30-12,919.70-6,179.76

Finding the Fourth Proportional to 9,366.30, 12,919.70 and 6,179.76

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Solution

The fourth proportional to 9,366.30, 12,919.70 and 6,179.76 is: 8,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.30 : 12,919.70 = 6,179.76 : x
  2. Step 2: Convert to fraction form
    9,366.30/12,919.70 = 6,179.76/x
  3. Step 3: Cross multiply
    9,366.30x = 12,919.70 × 6,179.76
  4. Step 4: Simplify right side
    9,366.30x = 79,840,660.72
  5. Step 5: Solve for x
    x = 79,840,660.72/9,366.30
  6. Step 6: Final answer
    x = 8,524.25

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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.