Home / 21,761.93-30,033.96-12,204.41

Finding the Fourth Proportional to 21,761.93, 30,033.96 and 12,204.41

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Solution

The fourth proportional to 21,761.93, 30,033.96 and 12,204.41 is: 16,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,761.93 : 30,033.96 = 12,204.41 : x
  2. Step 2: Convert to fraction form
    21,761.93/30,033.96 = 12,204.41/x
  3. Step 3: Cross multiply
    21,761.93x = 30,033.96 × 12,204.41
  4. Step 4: Simplify right side
    21,761.93x = 366,546,565.83
  5. Step 5: Solve for x
    x = 366,546,565.83/21,761.93
  6. Step 6: Final answer
    x = 16,843.47

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1.5x scale

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.