Home / 12,160.96-18,230.88-5,912.26

Finding the Fourth Proportional to 12,160.96, 18,230.88 and 5,912.26

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Solution

The fourth proportional to 12,160.96, 18,230.88 and 5,912.26 is: 8,863.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.96 : 18,230.88 = 5,912.26 : x
  2. Step 2: Convert to fraction form
    12,160.96/18,230.88 = 5,912.26/x
  3. Step 3: Cross multiply
    12,160.96x = 18,230.88 × 5,912.26
  4. Step 4: Simplify right side
    12,160.96x = 107,785,702.59
  5. Step 5: Solve for x
    x = 107,785,702.59/12,160.96
  6. Step 6: Final answer
    x = 8,863.26

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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.