Home / 18,022.07-24,874.89-10,954.41

Finding the Fourth Proportional to 18,022.07, 24,874.89 and 10,954.41

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Solution

The fourth proportional to 18,022.07, 24,874.89 and 10,954.41 is: 15,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.07 : 24,874.89 = 10,954.41 : x
  2. Step 2: Convert to fraction form
    18,022.07/24,874.89 = 10,954.41/x
  3. Step 3: Cross multiply
    18,022.07x = 24,874.89 × 10,954.41
  4. Step 4: Simplify right side
    18,022.07x = 272,489,743.76
  5. Step 5: Solve for x
    x = 272,489,743.76/18,022.07
  6. Step 6: Final answer
    x = 15,119.78

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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.