Home / 12,216.77-18,326.60-3,893.87

Finding the Fourth Proportional to 12,216.77, 18,326.60 and 3,893.87

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Solution

The fourth proportional to 12,216.77, 18,326.60 and 3,893.87 is: 5,841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.77 : 18,326.60 = 3,893.87 : x
  2. Step 2: Convert to fraction form
    12,216.77/18,326.60 = 3,893.87/x
  3. Step 3: Cross multiply
    12,216.77x = 18,326.60 × 3,893.87
  4. Step 4: Simplify right side
    12,216.77x = 71,361,460.79
  5. Step 5: Solve for x
    x = 71,361,460.79/12,216.77
  6. Step 6: Final answer
    x = 5,841.27

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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.