Home / 18,139.43-25,029.24-10,181.99

Finding the Fourth Proportional to 18,139.43, 25,029.24 and 10,181.99

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Solution

The fourth proportional to 18,139.43, 25,029.24 and 10,181.99 is: 14,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.43 : 25,029.24 = 10,181.99 : x
  2. Step 2: Convert to fraction form
    18,139.43/25,029.24 = 10,181.99/x
  3. Step 3: Cross multiply
    18,139.43x = 25,029.24 × 10,181.99
  4. Step 4: Simplify right side
    18,139.43x = 254,847,471.39
  5. Step 5: Solve for x
    x = 254,847,471.39/18,139.43
  6. Step 6: Final answer
    x = 14,049.36

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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.