Home / 18,845.84-25,974.60-14,121.92

Finding the Fourth Proportional to 18,845.84, 25,974.60 and 14,121.92

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Solution

The fourth proportional to 18,845.84, 25,974.60 and 14,121.92 is: 19,463.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.84 : 25,974.60 = 14,121.92 : x
  2. Step 2: Convert to fraction form
    18,845.84/25,974.60 = 14,121.92/x
  3. Step 3: Cross multiply
    18,845.84x = 25,974.60 × 14,121.92
  4. Step 4: Simplify right side
    18,845.84x = 366,811,223.23
  5. Step 5: Solve for x
    x = 366,811,223.23/18,845.84
  6. Step 6: Final answer
    x = 19,463.78

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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.