Home / 12,205.33-16,840.33-6,900.03

Finding the Fourth Proportional to 12,205.33, 16,840.33 and 6,900.03

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Solution

The fourth proportional to 12,205.33, 16,840.33 and 6,900.03 is: 9,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,205.33 : 16,840.33 = 6,900.03 : x
  2. Step 2: Convert to fraction form
    12,205.33/16,840.33 = 6,900.03/x
  3. Step 3: Cross multiply
    12,205.33x = 16,840.33 × 6,900.03
  4. Step 4: Simplify right side
    12,205.33x = 116,198,764.96
  5. Step 5: Solve for x
    x = 116,198,764.96/12,205.33
  6. Step 6: Final answer
    x = 9,520.33

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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.