Home / 18,122.93-25,007.97-10,163.62

Finding the Fourth Proportional to 18,122.93, 25,007.97 and 10,163.62

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Solution

The fourth proportional to 18,122.93, 25,007.97 and 10,163.62 is: 14,024.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.93 : 25,007.97 = 10,163.62 : x
  2. Step 2: Convert to fraction form
    18,122.93/25,007.97 = 10,163.62/x
  3. Step 3: Cross multiply
    18,122.93x = 25,007.97 × 10,163.62
  4. Step 4: Simplify right side
    18,122.93x = 254,171,417.33
  5. Step 5: Solve for x
    x = 254,171,417.33/18,122.93
  6. Step 6: Final answer
    x = 14,024.85

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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.