Home / 13,185.09-19,776.87-3,324.33

Finding the Fourth Proportional to 13,185.09, 19,776.87 and 3,324.33

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Solution

The fourth proportional to 13,185.09, 19,776.87 and 3,324.33 is: 4,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.09 : 19,776.87 = 3,324.33 : x
  2. Step 2: Convert to fraction form
    13,185.09/19,776.87 = 3,324.33/x
  3. Step 3: Cross multiply
    13,185.09x = 19,776.87 × 3,324.33
  4. Step 4: Simplify right side
    13,185.09x = 65,744,842.25
  5. Step 5: Solve for x
    x = 65,744,842.25/13,185.09
  6. Step 6: Final answer
    x = 4,986.30

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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.