Home / 22,731.87-31,367.75-12,659.97

Finding the Fourth Proportional to 22,731.87, 31,367.75 and 12,659.97

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Solution

The fourth proportional to 22,731.87, 31,367.75 and 12,659.97 is: 17,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,731.87 : 31,367.75 = 12,659.97 : x
  2. Step 2: Convert to fraction form
    22,731.87/31,367.75 = 12,659.97/x
  3. Step 3: Cross multiply
    22,731.87x = 31,367.75 × 12,659.97
  4. Step 4: Simplify right side
    22,731.87x = 397,114,710.67
  5. Step 5: Solve for x
    x = 397,114,710.67/22,731.87
  6. Step 6: Final answer
    x = 17,469.51

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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.