Home / 22,618.97-31,193.74-14,121.88

Finding the Fourth Proportional to 22,618.97, 31,193.74 and 14,121.88

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Solution

The fourth proportional to 22,618.97, 31,193.74 and 14,121.88 is: 19,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.97 : 31,193.74 = 14,121.88 : x
  2. Step 2: Convert to fraction form
    22,618.97/31,193.74 = 14,121.88/x
  3. Step 3: Cross multiply
    22,618.97x = 31,193.74 × 14,121.88
  4. Step 4: Simplify right side
    22,618.97x = 440,514,253.03
  5. Step 5: Solve for x
    x = 440,514,253.03/22,618.97
  6. Step 6: Final answer
    x = 19,475.43

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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.