Home / 13,976.26-20,957.75-5,085.29

Finding the Fourth Proportional to 13,976.26, 20,957.75 and 5,085.29

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Solution

The fourth proportional to 13,976.26, 20,957.75 and 5,085.29 is: 7,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.26 : 20,957.75 = 5,085.29 : x
  2. Step 2: Convert to fraction form
    13,976.26/20,957.75 = 5,085.29/x
  3. Step 3: Cross multiply
    13,976.26x = 20,957.75 × 5,085.29
  4. Step 4: Simplify right side
    13,976.26x = 106,576,282.54
  5. Step 5: Solve for x
    x = 106,576,282.54/13,976.26
  6. Step 6: Final answer
    x = 7,625.52

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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.