Home / 18,198.67-25,112.12-10,243.63

Finding the Fourth Proportional to 18,198.67, 25,112.12 and 10,243.63

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Solution

The fourth proportional to 18,198.67, 25,112.12 and 10,243.63 is: 14,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198.67 : 25,112.12 = 10,243.63 : x
  2. Step 2: Convert to fraction form
    18,198.67/25,112.12 = 10,243.63/x
  3. Step 3: Cross multiply
    18,198.67x = 25,112.12 × 10,243.63
  4. Step 4: Simplify right side
    18,198.67x = 257,239,265.80
  5. Step 5: Solve for x
    x = 257,239,265.80/18,198.67
  6. Step 6: Final answer
    x = 14,135.06

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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.