Home / 11,822.60-16,315.31-6,517.61

Finding the Fourth Proportional to 11,822.60, 16,315.31 and 6,517.61

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Solution

The fourth proportional to 11,822.60, 16,315.31 and 6,517.61 is: 8,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.60 : 16,315.31 = 6,517.61 : x
  2. Step 2: Convert to fraction form
    11,822.60/16,315.31 = 6,517.61/x
  3. Step 3: Cross multiply
    11,822.60x = 16,315.31 × 6,517.61
  4. Step 4: Simplify right side
    11,822.60x = 106,336,762.33
  5. Step 5: Solve for x
    x = 106,336,762.33/11,822.60
  6. Step 6: Final answer
    x = 8,994.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.