Home / 18,120.62-27,185.79-14,436.74

Finding the Fourth Proportional to 18,120.62, 27,185.79 and 14,436.74

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Solution

The fourth proportional to 18,120.62, 27,185.79 and 14,436.74 is: 21,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.62 : 27,185.79 = 14,436.74 : x
  2. Step 2: Convert to fraction form
    18,120.62/27,185.79 = 14,436.74/x
  3. Step 3: Cross multiply
    18,120.62x = 27,185.79 × 14,436.74
  4. Step 4: Simplify right side
    18,120.62x = 392,474,181.92
  5. Step 5: Solve for x
    x = 392,474,181.92/18,120.62
  6. Step 6: Final answer
    x = 21,658.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.