Home / 13,923.82-20,890.06-4,563.92

Finding the Fourth Proportional to 13,923.82, 20,890.06 and 4,563.92

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Solution

The fourth proportional to 13,923.82, 20,890.06 and 4,563.92 is: 6,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.82 : 20,890.06 = 4,563.92 : x
  2. Step 2: Convert to fraction form
    13,923.82/20,890.06 = 4,563.92/x
  3. Step 3: Cross multiply
    13,923.82x = 20,890.06 × 4,563.92
  4. Step 4: Simplify right side
    13,923.82x = 95,340,435.37
  5. Step 5: Solve for x
    x = 95,340,435.37/13,923.82
  6. Step 6: Final answer
    x = 6,847.29

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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.