Home / 12,208.97-18,313.44-4,415.96

Finding the Fourth Proportional to 12,208.97, 18,313.44 and 4,415.96

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Solution

The fourth proportional to 12,208.97, 18,313.44 and 4,415.96 is: 6,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.97 : 18,313.44 = 4,415.96 : x
  2. Step 2: Convert to fraction form
    12,208.97/18,313.44 = 4,415.96/x
  3. Step 3: Cross multiply
    12,208.97x = 18,313.44 × 4,415.96
  4. Step 4: Simplify right side
    12,208.97x = 80,871,326.94
  5. Step 5: Solve for x
    x = 80,871,326.94/12,208.97
  6. Step 6: Final answer
    x = 6,623.93

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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.