Home / 14,914.62-20,579.82-8,625.78

Finding the Fourth Proportional to 14,914.62, 20,579.82 and 8,625.78

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Solution

The fourth proportional to 14,914.62, 20,579.82 and 8,625.78 is: 11,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914.62 : 20,579.82 = 8,625.78 : x
  2. Step 2: Convert to fraction form
    14,914.62/20,579.82 = 8,625.78/x
  3. Step 3: Cross multiply
    14,914.62x = 20,579.82 × 8,625.78
  4. Step 4: Simplify right side
    14,914.62x = 177,516,999.76
  5. Step 5: Solve for x
    x = 177,516,999.76/14,914.62
  6. Step 6: Final answer
    x = 11,902.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.