Home / 13,176.60-19,759.14-3,940.44

Finding the Fourth Proportional to 13,176.60, 19,759.14 and 3,940.44

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Solution

The fourth proportional to 13,176.60, 19,759.14 and 3,940.44 is: 5,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.60 : 19,759.14 = 3,940.44 : x
  2. Step 2: Convert to fraction form
    13,176.60/19,759.14 = 3,940.44/x
  3. Step 3: Cross multiply
    13,176.60x = 19,759.14 × 3,940.44
  4. Step 4: Simplify right side
    13,176.60x = 77,859,705.62
  5. Step 5: Solve for x
    x = 77,859,705.62/13,176.60
  6. Step 6: Final answer
    x = 5,908.94

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1.5x scale

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.