Home / 69,408.09-104,112.41-16,817.49

Finding the Fourth Proportional to 69,408.09, 104,112.41 and 16,817.49

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Solution

The fourth proportional to 69,408.09, 104,112.41 and 16,817.49 is: 25,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.09 : 104,112.41 = 16,817.49 : x
  2. Step 2: Convert to fraction form
    69,408.09/104,112.41 = 16,817.49/x
  3. Step 3: Cross multiply
    69,408.09x = 104,112.41 × 16,817.49
  4. Step 4: Simplify right side
    69,408.09x = 1,750,909,329.96
  5. Step 5: Solve for x
    x = 1,750,909,329.96/69,408.09
  6. Step 6: Final answer
    x = 25,226.30

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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.