Home / 18,163.32-24,997.13-15,367.46

Finding the Fourth Proportional to 18,163.32, 24,997.13 and 15,367.46

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Solution

The fourth proportional to 18,163.32, 24,997.13 and 15,367.46 is: 21,149.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.32 : 24,997.13 = 15,367.46 : x
  2. Step 2: Convert to fraction form
    18,163.32/24,997.13 = 15,367.46/x
  3. Step 3: Cross multiply
    18,163.32x = 24,997.13 × 15,367.46
  4. Step 4: Simplify right side
    18,163.32x = 384,142,193.57
  5. Step 5: Solve for x
    x = 384,142,193.57/18,163.32
  6. Step 6: Final answer
    x = 21,149.34

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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.