Home / 25,163.58-37,738.62-11,989.74

Finding the Fourth Proportional to 25,163.58, 37,738.62 and 11,989.74

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Solution

The fourth proportional to 25,163.58, 37,738.62 and 11,989.74 is: 17,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,163.58 : 37,738.62 = 11,989.74 : x
  2. Step 2: Convert to fraction form
    25,163.58/37,738.62 = 11,989.74/x
  3. Step 3: Cross multiply
    25,163.58x = 37,738.62 × 11,989.74
  4. Step 4: Simplify right side
    25,163.58x = 452,476,241.76
  5. Step 5: Solve for x
    x = 452,476,241.76/25,163.58
  6. Step 6: Final answer
    x = 17,981.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.