Home / 12,650.22-18,973.67-3,884.40

Finding the Fourth Proportional to 12,650.22, 18,973.67 and 3,884.40

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Solution

The fourth proportional to 12,650.22, 18,973.67 and 3,884.40 is: 5,826.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.22 : 18,973.67 = 3,884.40 : x
  2. Step 2: Convert to fraction form
    12,650.22/18,973.67 = 3,884.40/x
  3. Step 3: Cross multiply
    12,650.22x = 18,973.67 × 3,884.40
  4. Step 4: Simplify right side
    12,650.22x = 73,701,304.33
  5. Step 5: Solve for x
    x = 73,701,304.33/12,650.22
  6. Step 6: Final answer
    x = 5,826.09

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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.