Home / 11,867.22-16,376.22-6,831.60

Finding the Fourth Proportional to 11,867.22, 16,376.22 and 6,831.60

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Solution

The fourth proportional to 11,867.22, 16,376.22 and 6,831.60 is: 9,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,867.22 : 16,376.22 = 6,831.60 : x
  2. Step 2: Convert to fraction form
    11,867.22/16,376.22 = 6,831.60/x
  3. Step 3: Cross multiply
    11,867.22x = 16,376.22 × 6,831.60
  4. Step 4: Simplify right side
    11,867.22x = 111,875,784.55
  5. Step 5: Solve for x
    x = 111,875,784.55/11,867.22
  6. Step 6: Final answer
    x = 9,427.30

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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.