Home / 18,274.09-25,218.71-11,204.41

Finding the Fourth Proportional to 18,274.09, 25,218.71 and 11,204.41

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Solution

The fourth proportional to 18,274.09, 25,218.71 and 11,204.41 is: 15,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.09 : 25,218.71 = 11,204.41 : x
  2. Step 2: Convert to fraction form
    18,274.09/25,218.71 = 11,204.41/x
  3. Step 3: Cross multiply
    18,274.09x = 25,218.71 × 11,204.41
  4. Step 4: Simplify right side
    18,274.09x = 282,560,766.51
  5. Step 5: Solve for x
    x = 282,560,766.51/18,274.09
  6. Step 6: Final answer
    x = 15,462.37

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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.