Home / 22,618.59-31,193.20-14,121.48

Finding the Fourth Proportional to 22,618.59, 31,193.20 and 14,121.48

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Solution

The fourth proportional to 22,618.59, 31,193.20 and 14,121.48 is: 19,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.59 : 31,193.20 = 14,121.48 : x
  2. Step 2: Convert to fraction form
    22,618.59/31,193.20 = 14,121.48/x
  3. Step 3: Cross multiply
    22,618.59x = 31,193.20 × 14,121.48
  4. Step 4: Simplify right side
    22,618.59x = 440,494,284.56
  5. Step 5: Solve for x
    x = 440,494,284.56/22,618.59
  6. Step 6: Final answer
    x = 19,474.88

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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.