Home / 11,846.97-17,772.21-3,946.91

Finding the Fourth Proportional to 11,846.97, 17,772.21 and 3,946.91

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Solution

The fourth proportional to 11,846.97, 17,772.21 and 3,946.91 is: 5,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,846.97 : 17,772.21 = 3,946.91 : x
  2. Step 2: Convert to fraction form
    11,846.97/17,772.21 = 3,946.91/x
  3. Step 3: Cross multiply
    11,846.97x = 17,772.21 × 3,946.91
  4. Step 4: Simplify right side
    11,846.97x = 70,145,224.51
  5. Step 5: Solve for x
    x = 70,145,224.51/11,846.97
  6. Step 6: Final answer
    x = 5,920.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.