Home / 12,922.26-19,391.88-7,083

Finding the Fourth Proportional to 12,922.26, 19,391.88 and 7,083

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Solution

The fourth proportional to 12,922.26, 19,391.88 and 7,083 is: 10,629.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922.26 : 19,391.88 = 7,083 : x
  2. Step 2: Convert to fraction form
    12,922.26/19,391.88 = 7,083/x
  3. Step 3: Cross multiply
    12,922.26x = 19,391.88 × 7,083
  4. Step 4: Simplify right side
    12,922.26x = 137,352,686.04
  5. Step 5: Solve for x
    x = 137,352,686.04/12,922.26
  6. Step 6: Final answer
    x = 10,629.15

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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.