Home / 18,297.45-27,450.75-8,443.62

Finding the Fourth Proportional to 18,297.45, 27,450.75 and 8,443.62

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Solution

The fourth proportional to 18,297.45, 27,450.75 and 8,443.62 is: 12,667.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.45 : 27,450.75 = 8,443.62 : x
  2. Step 2: Convert to fraction form
    18,297.45/27,450.75 = 8,443.62/x
  3. Step 3: Cross multiply
    18,297.45x = 27,450.75 × 8,443.62
  4. Step 4: Simplify right side
    18,297.45x = 231,783,701.72
  5. Step 5: Solve for x
    x = 231,783,701.72/18,297.45
  6. Step 6: Final answer
    x = 12,667.54

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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.