Home / 13,996.44-19,315.62-8,694.18

Finding the Fourth Proportional to 13,996.44, 19,315.62 and 8,694.18

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Solution

The fourth proportional to 13,996.44, 19,315.62 and 8,694.18 is: 11,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.44 : 19,315.62 = 8,694.18 : x
  2. Step 2: Convert to fraction form
    13,996.44/19,315.62 = 8,694.18/x
  3. Step 3: Cross multiply
    13,996.44x = 19,315.62 × 8,694.18
  4. Step 4: Simplify right side
    13,996.44x = 167,933,477.09
  5. Step 5: Solve for x
    x = 167,933,477.09/13,996.44
  6. Step 6: Final answer
    x = 11,998.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.