Home / 18,118.36-25,006.14-10,163.80

Finding the Fourth Proportional to 18,118.36, 25,006.14 and 10,163.80

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Solution

The fourth proportional to 18,118.36, 25,006.14 and 10,163.80 is: 14,027.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.36 : 25,006.14 = 10,163.80 : x
  2. Step 2: Convert to fraction form
    18,118.36/25,006.14 = 10,163.80/x
  3. Step 3: Cross multiply
    18,118.36x = 25,006.14 × 10,163.80
  4. Step 4: Simplify right side
    18,118.36x = 254,157,405.73
  5. Step 5: Solve for x
    x = 254,157,405.73/18,118.36
  6. Step 6: Final answer
    x = 14,027.62

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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.