Home / 11,694.45-16,140.56-6,981.33

Finding the Fourth Proportional to 11,694.45, 16,140.56 and 6,981.33

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Solution

The fourth proportional to 11,694.45, 16,140.56 and 6,981.33 is: 9,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,694.45 : 16,140.56 = 6,981.33 : x
  2. Step 2: Convert to fraction form
    11,694.45/16,140.56 = 6,981.33/x
  3. Step 3: Cross multiply
    11,694.45x = 16,140.56 × 6,981.33
  4. Step 4: Simplify right side
    11,694.45x = 112,682,540.84
  5. Step 5: Solve for x
    x = 112,682,540.84/11,694.45
  6. Step 6: Final answer
    x = 9,635.56

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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.