Home / 15,141.97-22,717.59-7,751.66

Finding the Fourth Proportional to 15,141.97, 22,717.59 and 7,751.66

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Solution

The fourth proportional to 15,141.97, 22,717.59 and 7,751.66 is: 11,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.97 : 22,717.59 = 7,751.66 : x
  2. Step 2: Convert to fraction form
    15,141.97/22,717.59 = 7,751.66/x
  3. Step 3: Cross multiply
    15,141.97x = 22,717.59 × 7,751.66
  4. Step 4: Simplify right side
    15,141.97x = 176,099,033.70
  5. Step 5: Solve for x
    x = 176,099,033.70/15,141.97
  6. Step 6: Final answer
    x = 11,629.87

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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.