Home / 11,561.49-17,340.30-3,769.29

Finding the Fourth Proportional to 11,561.49, 17,340.30 and 3,769.29

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Solution

The fourth proportional to 11,561.49, 17,340.30 and 3,769.29 is: 5,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.49 : 17,340.30 = 3,769.29 : x
  2. Step 2: Convert to fraction form
    11,561.49/17,340.30 = 3,769.29/x
  3. Step 3: Cross multiply
    11,561.49x = 17,340.30 × 3,769.29
  4. Step 4: Simplify right side
    11,561.49x = 65,360,619.39
  5. Step 5: Solve for x
    x = 65,360,619.39/11,561.49
  6. Step 6: Final answer
    x = 5,653.30

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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.