Home / 12,233.26-16,880.72-9,721.45

Finding the Fourth Proportional to 12,233.26, 16,880.72 and 9,721.45

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Solution

The fourth proportional to 12,233.26, 16,880.72 and 9,721.45 is: 13,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233.26 : 16,880.72 = 9,721.45 : x
  2. Step 2: Convert to fraction form
    12,233.26/16,880.72 = 9,721.45/x
  3. Step 3: Cross multiply
    12,233.26x = 16,880.72 × 9,721.45
  4. Step 4: Simplify right side
    12,233.26x = 164,105,075.44
  5. Step 5: Solve for x
    x = 164,105,075.44/12,233.26
  6. Step 6: Final answer
    x = 13,414.66

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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.