Home / 18,018.46-27,027.69-5,705.50

Finding the Fourth Proportional to 18,018.46, 27,027.69 and 5,705.50

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Solution

The fourth proportional to 18,018.46, 27,027.69 and 5,705.50 is: 8,558.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.46 : 27,027.69 = 5,705.50 : x
  2. Step 2: Convert to fraction form
    18,018.46/27,027.69 = 5,705.50/x
  3. Step 3: Cross multiply
    18,018.46x = 27,027.69 × 5,705.50
  4. Step 4: Simplify right side
    18,018.46x = 154,206,485.30
  5. Step 5: Solve for x
    x = 154,206,485.30/18,018.46
  6. Step 6: Final answer
    x = 8,558.25

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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.