Home / 12,208.44-18,314.82-4,415.46

Finding the Fourth Proportional to 12,208.44, 18,314.82 and 4,415.46

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Solution

The fourth proportional to 12,208.44, 18,314.82 and 4,415.46 is: 6,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.44 : 18,314.82 = 4,415.46 : x
  2. Step 2: Convert to fraction form
    12,208.44/18,314.82 = 4,415.46/x
  3. Step 3: Cross multiply
    12,208.44x = 18,314.82 × 4,415.46
  4. Step 4: Simplify right side
    12,208.44x = 80,868,355.12
  5. Step 5: Solve for x
    x = 80,868,355.12/12,208.44
  6. Step 6: Final answer
    x = 6,623.97

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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.