Home / 18,377.64-25,375.44-14,121.96

Finding the Fourth Proportional to 18,377.64, 25,375.44 and 14,121.96

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Solution

The fourth proportional to 18,377.64, 25,375.44 and 14,121.96 is: 19,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.64 : 25,375.44 = 14,121.96 : x
  2. Step 2: Convert to fraction form
    18,377.64/25,375.44 = 14,121.96/x
  3. Step 3: Cross multiply
    18,377.64x = 25,375.44 × 14,121.96
  4. Step 4: Simplify right side
    18,377.64x = 358,350,948.66
  5. Step 5: Solve for x
    x = 358,350,948.66/18,377.64
  6. Step 6: Final answer
    x = 19,499.29

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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.