Home / 13,155.80-19,736.46-3,795.80

Finding the Fourth Proportional to 13,155.80, 19,736.46 and 3,795.80

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Solution

The fourth proportional to 13,155.80, 19,736.46 and 3,795.80 is: 5,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.80 : 19,736.46 = 3,795.80 : x
  2. Step 2: Convert to fraction form
    13,155.80/19,736.46 = 3,795.80/x
  3. Step 3: Cross multiply
    13,155.80x = 19,736.46 × 3,795.80
  4. Step 4: Simplify right side
    13,155.80x = 74,915,654.87
  5. Step 5: Solve for x
    x = 74,915,654.87/13,155.80
  6. Step 6: Final answer
    x = 5,694.50

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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.