Home / 13,131.91-19,694.98-3,769.84

Finding the Fourth Proportional to 13,131.91, 19,694.98 and 3,769.84

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Solution

The fourth proportional to 13,131.91, 19,694.98 and 3,769.84 is: 5,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131.91 : 19,694.98 = 3,769.84 : x
  2. Step 2: Convert to fraction form
    13,131.91/19,694.98 = 3,769.84/x
  3. Step 3: Cross multiply
    13,131.91x = 19,694.98 × 3,769.84
  4. Step 4: Simplify right side
    13,131.91x = 74,246,923.40
  5. Step 5: Solve for x
    x = 74,246,923.40/13,131.91
  6. Step 6: Final answer
    x = 5,653.93

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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.