Home / 23,097.75-31,874.98-12,889.21

Finding the Fourth Proportional to 23,097.75, 31,874.98 and 12,889.21

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Solution

The fourth proportional to 23,097.75, 31,874.98 and 12,889.21 is: 17,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,097.75 : 31,874.98 = 12,889.21 : x
  2. Step 2: Convert to fraction form
    23,097.75/31,874.98 = 12,889.21/x
  3. Step 3: Cross multiply
    23,097.75x = 31,874.98 × 12,889.21
  4. Step 4: Simplify right side
    23,097.75x = 410,843,310.97
  5. Step 5: Solve for x
    x = 410,843,310.97/23,097.75
  6. Step 6: Final answer
    x = 17,787.16

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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.