Home / 13,190.75-19,786.37-4,866.48

Finding the Fourth Proportional to 13,190.75, 19,786.37 and 4,866.48

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Solution

The fourth proportional to 13,190.75, 19,786.37 and 4,866.48 is: 7,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.75 : 19,786.37 = 4,866.48 : x
  2. Step 2: Convert to fraction form
    13,190.75/19,786.37 = 4,866.48/x
  3. Step 3: Cross multiply
    13,190.75x = 19,786.37 × 4,866.48
  4. Step 4: Simplify right side
    13,190.75x = 96,289,850.61
  5. Step 5: Solve for x
    x = 96,289,850.61/13,190.75
  6. Step 6: Final answer
    x = 7,299.80

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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.