Home / 18,022.32-27,033.84-4,874.76

Finding the Fourth Proportional to 18,022.32, 27,033.84 and 4,874.76

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Solution

The fourth proportional to 18,022.32, 27,033.84 and 4,874.76 is: 7,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.32 : 27,033.84 = 4,874.76 : x
  2. Step 2: Convert to fraction form
    18,022.32/27,033.84 = 4,874.76/x
  3. Step 3: Cross multiply
    18,022.32x = 27,033.84 × 4,874.76
  4. Step 4: Simplify right side
    18,022.32x = 131,783,481.88
  5. Step 5: Solve for x
    x = 131,783,481.88/18,022.32
  6. Step 6: Final answer
    x = 7,312.24

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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.