Home / 17,382.73-23,975.42-11,412.22

Finding the Fourth Proportional to 17,382.73, 23,975.42 and 11,412.22

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Solution

The fourth proportional to 17,382.73, 23,975.42 and 11,412.22 is: 15,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.73 : 23,975.42 = 11,412.22 : x
  2. Step 2: Convert to fraction form
    17,382.73/23,975.42 = 11,412.22/x
  3. Step 3: Cross multiply
    17,382.73x = 23,975.42 × 11,412.22
  4. Step 4: Simplify right side
    17,382.73x = 273,612,767.63
  5. Step 5: Solve for x
    x = 273,612,767.63/17,382.73
  6. Step 6: Final answer
    x = 15,740.49

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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.