Home / 11,976.12-16,527.22-6,940.69

Finding the Fourth Proportional to 11,976.12, 16,527.22 and 6,940.69

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Solution

The fourth proportional to 11,976.12, 16,527.22 and 6,940.69 is: 9,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976.12 : 16,527.22 = 6,940.69 : x
  2. Step 2: Convert to fraction form
    11,976.12/16,527.22 = 6,940.69/x
  3. Step 3: Cross multiply
    11,976.12x = 16,527.22 × 6,940.69
  4. Step 4: Simplify right side
    11,976.12x = 114,710,251.91
  5. Step 5: Solve for x
    x = 114,710,251.91/11,976.12
  6. Step 6: Final answer
    x = 9,578.25

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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.