Home / 18,119.43-25,017.09-11,323.83

Finding the Fourth Proportional to 18,119.43, 25,017.09 and 11,323.83

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Solution

The fourth proportional to 18,119.43, 25,017.09 and 11,323.83 is: 15,634.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.43 : 25,017.09 = 11,323.83 : x
  2. Step 2: Convert to fraction form
    18,119.43/25,017.09 = 11,323.83/x
  3. Step 3: Cross multiply
    18,119.43x = 25,017.09 × 11,323.83
  4. Step 4: Simplify right side
    18,119.43x = 283,289,274.25
  5. Step 5: Solve for x
    x = 283,289,274.25/18,119.43
  6. Step 6: Final answer
    x = 15,634.56

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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.