Home / 13,940.91-19,233.74-7,968.35

Finding the Fourth Proportional to 13,940.91, 19,233.74 and 7,968.35

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Solution

The fourth proportional to 13,940.91, 19,233.74 and 7,968.35 is: 10,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.91 : 19,233.74 = 7,968.35 : x
  2. Step 2: Convert to fraction form
    13,940.91/19,233.74 = 7,968.35/x
  3. Step 3: Cross multiply
    13,940.91x = 19,233.74 × 7,968.35
  4. Step 4: Simplify right side
    13,940.91x = 153,261,240.13
  5. Step 5: Solve for x
    x = 153,261,240.13/13,940.91
  6. Step 6: Final answer
    x = 10,993.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.