Home / 13,074.09-19,611.14-3,213.56

Finding the Fourth Proportional to 13,074.09, 19,611.14 and 3,213.56

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Solution

The fourth proportional to 13,074.09, 19,611.14 and 3,213.56 is: 4,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.09 : 19,611.14 = 3,213.56 : x
  2. Step 2: Convert to fraction form
    13,074.09/19,611.14 = 3,213.56/x
  3. Step 3: Cross multiply
    13,074.09x = 19,611.14 × 3,213.56
  4. Step 4: Simplify right side
    13,074.09x = 63,021,460.93
  5. Step 5: Solve for x
    x = 63,021,460.93/13,074.09
  6. Step 6: Final answer
    x = 4,820.33

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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.