Home / 22,771.88-34,156.60-8,738.64

Finding the Fourth Proportional to 22,771.88, 34,156.60 and 8,738.64

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Solution

The fourth proportional to 22,771.88, 34,156.60 and 8,738.64 is: 13,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.88 : 34,156.60 = 8,738.64 : x
  2. Step 2: Convert to fraction form
    22,771.88/34,156.60 = 8,738.64/x
  3. Step 3: Cross multiply
    22,771.88x = 34,156.60 × 8,738.64
  4. Step 4: Simplify right side
    22,771.88x = 298,482,231.02
  5. Step 5: Solve for x
    x = 298,482,231.02/22,771.88
  6. Step 6: Final answer
    x = 13,107.49

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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.