Home / 18,297.46-27,450.74-8,443.60

Finding the Fourth Proportional to 18,297.46, 27,450.74 and 8,443.60

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Solution

The fourth proportional to 18,297.46, 27,450.74 and 8,443.60 is: 12,667.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.46 : 27,450.74 = 8,443.60 : x
  2. Step 2: Convert to fraction form
    18,297.46/27,450.74 = 8,443.60/x
  3. Step 3: Cross multiply
    18,297.46x = 27,450.74 × 8,443.60
  4. Step 4: Simplify right side
    18,297.46x = 231,783,068.26
  5. Step 5: Solve for x
    x = 231,783,068.26/18,297.46
  6. Step 6: Final answer
    x = 12,667.50

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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.