Home / 18,120.30-25,006.08-10,163.26

Finding the Fourth Proportional to 18,120.30, 25,006.08 and 10,163.26

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Solution

The fourth proportional to 18,120.30, 25,006.08 and 10,163.26 is: 14,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120.30 : 25,006.08 = 10,163.26 : x
  2. Step 2: Convert to fraction form
    18,120.30/25,006.08 = 10,163.26/x
  3. Step 3: Cross multiply
    18,120.30x = 25,006.08 × 10,163.26
  4. Step 4: Simplify right side
    18,120.30x = 254,143,292.62
  5. Step 5: Solve for x
    x = 254,143,292.62/18,120.30
  6. Step 6: Final answer
    x = 14,025.34

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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.