Home / 11,153.24-16,724.58-4,128.44

Finding the Fourth Proportional to 11,153.24, 16,724.58 and 4,128.44

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Solution

The fourth proportional to 11,153.24, 16,724.58 and 4,128.44 is: 6,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.24 : 16,724.58 = 4,128.44 : x
  2. Step 2: Convert to fraction form
    11,153.24/16,724.58 = 4,128.44/x
  3. Step 3: Cross multiply
    11,153.24x = 16,724.58 × 4,128.44
  4. Step 4: Simplify right side
    11,153.24x = 69,046,425.06
  5. Step 5: Solve for x
    x = 69,046,425.06/11,153.24
  6. Step 6: Final answer
    x = 6,190.71

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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.