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Finding the Fourth Proportional to 15,293.93, 22,939.07 and 4,201.74

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Solution

The fourth proportional to 15,293.93, 22,939.07 and 4,201.74 is: 6,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293.93 : 22,939.07 = 4,201.74 : x
  2. Step 2: Convert to fraction form
    15,293.93/22,939.07 = 4,201.74/x
  3. Step 3: Cross multiply
    15,293.93x = 22,939.07 × 4,201.74
  4. Step 4: Simplify right side
    15,293.93x = 96,383,986.97
  5. Step 5: Solve for x
    x = 96,383,986.97/15,293.93
  6. Step 6: Final answer
    x = 6,302.11

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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.