Home / 12,675.67-18,998.44-5,912.17

Finding the Fourth Proportional to 12,675.67, 18,998.44 and 5,912.17

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Solution

The fourth proportional to 12,675.67, 18,998.44 and 5,912.17 is: 8,861.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.67 : 18,998.44 = 5,912.17 : x
  2. Step 2: Convert to fraction form
    12,675.67/18,998.44 = 5,912.17/x
  3. Step 3: Cross multiply
    12,675.67x = 18,998.44 × 5,912.17
  4. Step 4: Simplify right side
    12,675.67x = 112,321,977.45
  5. Step 5: Solve for x
    x = 112,321,977.45/12,675.67
  6. Step 6: Final answer
    x = 8,861.23

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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.