Home / 12,694.39-17,518.26-6,951.81

Finding the Fourth Proportional to 12,694.39, 17,518.26 and 6,951.81

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Solution

The fourth proportional to 12,694.39, 17,518.26 and 6,951.81 is: 9,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694.39 : 17,518.26 = 6,951.81 : x
  2. Step 2: Convert to fraction form
    12,694.39/17,518.26 = 6,951.81/x
  3. Step 3: Cross multiply
    12,694.39x = 17,518.26 × 6,951.81
  4. Step 4: Simplify right side
    12,694.39x = 121,783,706.81
  5. Step 5: Solve for x
    x = 121,783,706.81/12,694.39
  6. Step 6: Final answer
    x = 9,593.51

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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.