Home / 21,277.72-29,364.42-11,846.44

Finding the Fourth Proportional to 21,277.72, 29,364.42 and 11,846.44

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Solution

The fourth proportional to 21,277.72, 29,364.42 and 11,846.44 is: 16,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277.72 : 29,364.42 = 11,846.44 : x
  2. Step 2: Convert to fraction form
    21,277.72/29,364.42 = 11,846.44/x
  3. Step 3: Cross multiply
    21,277.72x = 29,364.42 × 11,846.44
  4. Step 4: Simplify right side
    21,277.72x = 347,863,839.66
  5. Step 5: Solve for x
    x = 347,863,839.66/21,277.72
  6. Step 6: Final answer
    x = 16,348.74

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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.