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Finding the Fourth Proportional to 11,236.52, 16,858.02 and 4,661.48

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Solution

The fourth proportional to 11,236.52, 16,858.02 and 4,661.48 is: 6,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.52 : 16,858.02 = 4,661.48 : x
  2. Step 2: Convert to fraction form
    11,236.52/16,858.02 = 4,661.48/x
  3. Step 3: Cross multiply
    11,236.52x = 16,858.02 × 4,661.48
  4. Step 4: Simplify right side
    11,236.52x = 78,583,323.07
  5. Step 5: Solve for x
    x = 78,583,323.07/11,236.52
  6. Step 6: Final answer
    x = 6,993.56

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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.