Home / 13,893.56-20,844.25-5,579.42

Finding the Fourth Proportional to 13,893.56, 20,844.25 and 5,579.42

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Solution

The fourth proportional to 13,893.56, 20,844.25 and 5,579.42 is: 8,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.56 : 20,844.25 = 5,579.42 : x
  2. Step 2: Convert to fraction form
    13,893.56/20,844.25 = 5,579.42/x
  3. Step 3: Cross multiply
    13,893.56x = 20,844.25 × 5,579.42
  4. Step 4: Simplify right side
    13,893.56x = 116,298,747.21
  5. Step 5: Solve for x
    x = 116,298,747.21/13,893.56
  6. Step 6: Final answer
    x = 8,370.69

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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.