Home / 11,819.23-17,728.83-8,110.22

Finding the Fourth Proportional to 11,819.23, 17,728.83 and 8,110.22

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Solution

The fourth proportional to 11,819.23, 17,728.83 and 8,110.22 is: 12,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,819.23 : 17,728.83 = 8,110.22 : x
  2. Step 2: Convert to fraction form
    11,819.23/17,728.83 = 8,110.22/x
  3. Step 3: Cross multiply
    11,819.23x = 17,728.83 × 8,110.22
  4. Step 4: Simplify right side
    11,819.23x = 143,784,623.00
  5. Step 5: Solve for x
    x = 143,784,623.00/11,819.23
  6. Step 6: Final answer
    x = 12,165.31

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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.