Home / 11,076.21-16,616.61-5,229.63

Finding the Fourth Proportional to 11,076.21, 16,616.61 and 5,229.63

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Solution

The fourth proportional to 11,076.21, 16,616.61 and 5,229.63 is: 7,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.21 : 16,616.61 = 5,229.63 : x
  2. Step 2: Convert to fraction form
    11,076.21/16,616.61 = 5,229.63/x
  3. Step 3: Cross multiply
    11,076.21x = 16,616.61 × 5,229.63
  4. Step 4: Simplify right side
    11,076.21x = 86,898,722.15
  5. Step 5: Solve for x
    x = 86,898,722.15/11,076.21
  6. Step 6: Final answer
    x = 7,845.53

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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.