Home / 18,640.44-27,962.56-6,160.50

Finding the Fourth Proportional to 18,640.44, 27,962.56 and 6,160.50

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Solution

The fourth proportional to 18,640.44, 27,962.56 and 6,160.50 is: 9,241.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640.44 : 27,962.56 = 6,160.50 : x
  2. Step 2: Convert to fraction form
    18,640.44/27,962.56 = 6,160.50/x
  3. Step 3: Cross multiply
    18,640.44x = 27,962.56 × 6,160.50
  4. Step 4: Simplify right side
    18,640.44x = 172,263,350.88
  5. Step 5: Solve for x
    x = 172,263,350.88/18,640.44
  6. Step 6: Final answer
    x = 9,241.38

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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.