Home / 13,743.96-20,618.73-4,383.78

Finding the Fourth Proportional to 13,743.96, 20,618.73 and 4,383.78

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Solution

The fourth proportional to 13,743.96, 20,618.73 and 4,383.78 is: 6,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.96 : 20,618.73 = 4,383.78 : x
  2. Step 2: Convert to fraction form
    13,743.96/20,618.73 = 4,383.78/x
  3. Step 3: Cross multiply
    13,743.96x = 20,618.73 × 4,383.78
  4. Step 4: Simplify right side
    13,743.96x = 90,387,976.20
  5. Step 5: Solve for x
    x = 90,387,976.20/13,743.96
  6. Step 6: Final answer
    x = 6,576.56

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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.