Home / 13,865.19-20,793.68-4,004.55

Finding the Fourth Proportional to 13,865.19, 20,793.68 and 4,004.55

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Solution

The fourth proportional to 13,865.19, 20,793.68 and 4,004.55 is: 6,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.19 : 20,793.68 = 4,004.55 : x
  2. Step 2: Convert to fraction form
    13,865.19/20,793.68 = 4,004.55/x
  3. Step 3: Cross multiply
    13,865.19x = 20,793.68 × 4,004.55
  4. Step 4: Simplify right side
    13,865.19x = 83,269,404.21
  5. Step 5: Solve for x
    x = 83,269,404.21/13,865.19
  6. Step 6: Final answer
    x = 6,005.64

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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.