Home / 11,087.70-16,620.30-9,469.32

Finding the Fourth Proportional to 11,087.70, 16,620.30 and 9,469.32

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Solution

The fourth proportional to 11,087.70, 16,620.30 and 9,469.32 is: 14,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,087.70 : 16,620.30 = 9,469.32 : x
  2. Step 2: Convert to fraction form
    11,087.70/16,620.30 = 9,469.32/x
  3. Step 3: Cross multiply
    11,087.70x = 16,620.30 × 9,469.32
  4. Step 4: Simplify right side
    11,087.70x = 157,382,939.20
  5. Step 5: Solve for x
    x = 157,382,939.20/11,087.70
  6. Step 6: Final answer
    x = 14,194.37

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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.