Home / 12,606.44-18,921.34-6,370.86

Finding the Fourth Proportional to 12,606.44, 18,921.34 and 6,370.86

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Solution

The fourth proportional to 12,606.44, 18,921.34 and 6,370.86 is: 9,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.44 : 18,921.34 = 6,370.86 : x
  2. Step 2: Convert to fraction form
    12,606.44/18,921.34 = 6,370.86/x
  3. Step 3: Cross multiply
    12,606.44x = 18,921.34 × 6,370.86
  4. Step 4: Simplify right side
    12,606.44x = 120,545,208.15
  5. Step 5: Solve for x
    x = 120,545,208.15/12,606.44
  6. Step 6: Final answer
    x = 9,562.19

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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.