Home / 14,771.43-22,157.15-4,380.75

Finding the Fourth Proportional to 14,771.43, 22,157.15 and 4,380.75

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Solution

The fourth proportional to 14,771.43, 22,157.15 and 4,380.75 is: 6,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.43 : 22,157.15 = 4,380.75 : x
  2. Step 2: Convert to fraction form
    14,771.43/22,157.15 = 4,380.75/x
  3. Step 3: Cross multiply
    14,771.43x = 22,157.15 × 4,380.75
  4. Step 4: Simplify right side
    14,771.43x = 97,064,912.96
  5. Step 5: Solve for x
    x = 97,064,912.96/14,771.43
  6. Step 6: Final answer
    x = 6,571.13

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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.