Home / 13,132.45-19,694.13-3,769.93

Finding the Fourth Proportional to 13,132.45, 19,694.13 and 3,769.93

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Solution

The fourth proportional to 13,132.45, 19,694.13 and 3,769.93 is: 5,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.45 : 19,694.13 = 3,769.93 : x
  2. Step 2: Convert to fraction form
    13,132.45/19,694.13 = 3,769.93/x
  3. Step 3: Cross multiply
    13,132.45x = 19,694.13 × 3,769.93
  4. Step 4: Simplify right side
    13,132.45x = 74,245,491.51
  5. Step 5: Solve for x
    x = 74,245,491.51/13,132.45
  6. Step 6: Final answer
    x = 5,653.59

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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.