Home / 12,608.19-18,923.96-6,372.61

Finding the Fourth Proportional to 12,608.19, 18,923.96 and 6,372.61

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Solution

The fourth proportional to 12,608.19, 18,923.96 and 6,372.61 is: 9,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.19 : 18,923.96 = 6,372.61 : x
  2. Step 2: Convert to fraction form
    12,608.19/18,923.96 = 6,372.61/x
  3. Step 3: Cross multiply
    12,608.19x = 18,923.96 × 6,372.61
  4. Step 4: Simplify right side
    12,608.19x = 120,594,985.36
  5. Step 5: Solve for x
    x = 120,594,985.36/12,608.19
  6. Step 6: Final answer
    x = 9,564.81

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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.