Home / 17,185.68-23,727.66-13,199.68

Finding the Fourth Proportional to 17,185.68, 23,727.66 and 13,199.68

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Solution

The fourth proportional to 17,185.68, 23,727.66 and 13,199.68 is: 18,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,185.68 : 23,727.66 = 13,199.68 : x
  2. Step 2: Convert to fraction form
    17,185.68/23,727.66 = 13,199.68/x
  3. Step 3: Cross multiply
    17,185.68x = 23,727.66 × 13,199.68
  4. Step 4: Simplify right side
    17,185.68x = 313,197,519.15
  5. Step 5: Solve for x
    x = 313,197,519.15/17,185.68
  6. Step 6: Final answer
    x = 18,224.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.