Home / 21,723.74-29,977.94-12,292.52

Finding the Fourth Proportional to 21,723.74, 29,977.94 and 12,292.52

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Solution

The fourth proportional to 21,723.74, 29,977.94 and 12,292.52 is: 16,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.74 : 29,977.94 = 12,292.52 : x
  2. Step 2: Convert to fraction form
    21,723.74/29,977.94 = 12,292.52/x
  3. Step 3: Cross multiply
    21,723.74x = 29,977.94 × 12,292.52
  4. Step 4: Simplify right side
    21,723.74x = 368,504,427.01
  5. Step 5: Solve for x
    x = 368,504,427.01/21,723.74
  6. Step 6: Final answer
    x = 16,963.21

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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.