Home / 12,249.90-16,905.24-6,944.94

Finding the Fourth Proportional to 12,249.90, 16,905.24 and 6,944.94

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Solution

The fourth proportional to 12,249.90, 16,905.24 and 6,944.94 is: 9,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.90 : 16,905.24 = 6,944.94 : x
  2. Step 2: Convert to fraction form
    12,249.90/16,905.24 = 6,944.94/x
  3. Step 3: Cross multiply
    12,249.90x = 16,905.24 × 6,944.94
  4. Step 4: Simplify right side
    12,249.90x = 117,405,877.49
  5. Step 5: Solve for x
    x = 117,405,877.49/12,249.90
  6. Step 6: Final answer
    x = 9,584.23

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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.