Home / 18,522.42-27,799.35-7,436.61

Finding the Fourth Proportional to 18,522.42, 27,799.35 and 7,436.61

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Solution

The fourth proportional to 18,522.42, 27,799.35 and 7,436.61 is: 11,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.42 : 27,799.35 = 7,436.61 : x
  2. Step 2: Convert to fraction form
    18,522.42/27,799.35 = 7,436.61/x
  3. Step 3: Cross multiply
    18,522.42x = 27,799.35 × 7,436.61
  4. Step 4: Simplify right side
    18,522.42x = 206,732,938.15
  5. Step 5: Solve for x
    x = 206,732,938.15/18,522.42
  6. Step 6: Final answer
    x = 11,161.23

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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.