Home / 19,940.75-27,471.93-13,961.60

Finding the Fourth Proportional to 19,940.75, 27,471.93 and 13,961.60

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Solution

The fourth proportional to 19,940.75, 27,471.93 and 13,961.60 is: 19,234.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.75 : 27,471.93 = 13,961.60 : x
  2. Step 2: Convert to fraction form
    19,940.75/27,471.93 = 13,961.60/x
  3. Step 3: Cross multiply
    19,940.75x = 27,471.93 × 13,961.60
  4. Step 4: Simplify right side
    19,940.75x = 383,552,097.89
  5. Step 5: Solve for x
    x = 383,552,097.89/19,940.75
  6. Step 6: Final answer
    x = 19,234.59

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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.