Home / 14,311.80-21,467.85-3,923.55

Finding the Fourth Proportional to 14,311.80, 21,467.85 and 3,923.55

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Solution

The fourth proportional to 14,311.80, 21,467.85 and 3,923.55 is: 5,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.80 : 21,467.85 = 3,923.55 : x
  2. Step 2: Convert to fraction form
    14,311.80/21,467.85 = 3,923.55/x
  3. Step 3: Cross multiply
    14,311.80x = 21,467.85 × 3,923.55
  4. Step 4: Simplify right side
    14,311.80x = 84,230,182.87
  5. Step 5: Solve for x
    x = 84,230,182.87/14,311.80
  6. Step 6: Final answer
    x = 5,885.37

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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.