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Finding the Fourth Proportional to 11,236.40, 16,854.60 and 4,661.90

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Solution

The fourth proportional to 11,236.40, 16,854.60 and 4,661.90 is: 6,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236.40 : 16,854.60 = 4,661.90 : x
  2. Step 2: Convert to fraction form
    11,236.40/16,854.60 = 4,661.90/x
  3. Step 3: Cross multiply
    11,236.40x = 16,854.60 × 4,661.90
  4. Step 4: Simplify right side
    11,236.40x = 78,574,459.74
  5. Step 5: Solve for x
    x = 78,574,459.74/11,236.40
  6. Step 6: Final answer
    x = 6,992.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.