Home / 11,093.20-16,664.10-8,190.16

Finding the Fourth Proportional to 11,093.20, 16,664.10 and 8,190.16

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Solution

The fourth proportional to 11,093.20, 16,664.10 and 8,190.16 is: 12,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,093.20 : 16,664.10 = 8,190.16 : x
  2. Step 2: Convert to fraction form
    11,093.20/16,664.10 = 8,190.16/x
  3. Step 3: Cross multiply
    11,093.20x = 16,664.10 × 8,190.16
  4. Step 4: Simplify right side
    11,093.20x = 136,481,645.26
  5. Step 5: Solve for x
    x = 136,481,645.26/11,093.20
  6. Step 6: Final answer
    x = 12,303.18

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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.