Home / 14,380.85-21,571.26-4,520.99

Finding the Fourth Proportional to 14,380.85, 21,571.26 and 4,520.99

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Solution

The fourth proportional to 14,380.85, 21,571.26 and 4,520.99 is: 6,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.85 : 21,571.26 = 4,520.99 : x
  2. Step 2: Convert to fraction form
    14,380.85/21,571.26 = 4,520.99/x
  3. Step 3: Cross multiply
    14,380.85x = 21,571.26 × 4,520.99
  4. Step 4: Simplify right side
    14,380.85x = 97,523,450.75
  5. Step 5: Solve for x
    x = 97,523,450.75/14,380.85
  6. Step 6: Final answer
    x = 6,781.48

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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.