Home / 22,696.85-31,321.20-12,625.09

Finding the Fourth Proportional to 22,696.85, 31,321.20 and 12,625.09

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Solution

The fourth proportional to 22,696.85, 31,321.20 and 12,625.09 is: 17,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.85 : 31,321.20 = 12,625.09 : x
  2. Step 2: Convert to fraction form
    22,696.85/31,321.20 = 12,625.09/x
  3. Step 3: Cross multiply
    22,696.85x = 31,321.20 × 12,625.09
  4. Step 4: Simplify right side
    22,696.85x = 395,432,812.30
  5. Step 5: Solve for x
    x = 395,432,812.30/22,696.85
  6. Step 6: Final answer
    x = 17,422.37

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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.