Home / 18,154.37-27,231.57-5,674.46

Finding the Fourth Proportional to 18,154.37, 27,231.57 and 5,674.46

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Solution

The fourth proportional to 18,154.37, 27,231.57 and 5,674.46 is: 8,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.37 : 27,231.57 = 5,674.46 : x
  2. Step 2: Convert to fraction form
    18,154.37/27,231.57 = 5,674.46/x
  3. Step 3: Cross multiply
    18,154.37x = 27,231.57 × 5,674.46
  4. Step 4: Simplify right side
    18,154.37x = 154,524,441.94
  5. Step 5: Solve for x
    x = 154,524,441.94/18,154.37
  6. Step 6: Final answer
    x = 8,511.69

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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.