Home / 13,133.03-19,696.53-3,772.97

Finding the Fourth Proportional to 13,133.03, 19,696.53 and 3,772.97

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Solution

The fourth proportional to 13,133.03, 19,696.53 and 3,772.97 is: 5,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.03 : 19,696.53 = 3,772.97 : x
  2. Step 2: Convert to fraction form
    13,133.03/19,696.53 = 3,772.97/x
  3. Step 3: Cross multiply
    13,133.03x = 19,696.53 × 3,772.97
  4. Step 4: Simplify right side
    13,133.03x = 74,314,318.31
  5. Step 5: Solve for x
    x = 74,314,318.31/13,133.03
  6. Step 6: Final answer
    x = 5,658.58

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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.