Home / 18,622.09-27,933.14-5,474.58

Finding the Fourth Proportional to 18,622.09, 27,933.14 and 5,474.58

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Solution

The fourth proportional to 18,622.09, 27,933.14 and 5,474.58 is: 8,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.09 : 27,933.14 = 5,474.58 : x
  2. Step 2: Convert to fraction form
    18,622.09/27,933.14 = 5,474.58/x
  3. Step 3: Cross multiply
    18,622.09x = 27,933.14 × 5,474.58
  4. Step 4: Simplify right side
    18,622.09x = 152,922,209.58
  5. Step 5: Solve for x
    x = 152,922,209.58/18,622.09
  6. Step 6: Final answer
    x = 8,211.87

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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.