Home / 13,863.10-20,794.65-4,002.70

Finding the Fourth Proportional to 13,863.10, 20,794.65 and 4,002.70

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Solution

The fourth proportional to 13,863.10, 20,794.65 and 4,002.70 is: 6,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.10 : 20,794.65 = 4,002.70 : x
  2. Step 2: Convert to fraction form
    13,863.10/20,794.65 = 4,002.70/x
  3. Step 3: Cross multiply
    13,863.10x = 20,794.65 × 4,002.70
  4. Step 4: Simplify right side
    13,863.10x = 83,234,745.56
  5. Step 5: Solve for x
    x = 83,234,745.56/13,863.10
  6. Step 6: Final answer
    x = 6,004.05

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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.