Home / 11,346.76-17,025.60-8,553.78

Finding the Fourth Proportional to 11,346.76, 17,025.60 and 8,553.78

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Solution

The fourth proportional to 11,346.76, 17,025.60 and 8,553.78 is: 12,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.76 : 17,025.60 = 8,553.78 : x
  2. Step 2: Convert to fraction form
    11,346.76/17,025.60 = 8,553.78/x
  3. Step 3: Cross multiply
    11,346.76x = 17,025.60 × 8,553.78
  4. Step 4: Simplify right side
    11,346.76x = 145,633,236.77
  5. Step 5: Solve for x
    x = 145,633,236.77/11,346.76
  6. Step 6: Final answer
    x = 12,834.79

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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.