Home / 11,157.60-16,736.40-3,368.64

Finding the Fourth Proportional to 11,157.60, 16,736.40 and 3,368.64

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Solution

The fourth proportional to 11,157.60, 16,736.40 and 3,368.64 is: 5,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.60 : 16,736.40 = 3,368.64 : x
  2. Step 2: Convert to fraction form
    11,157.60/16,736.40 = 3,368.64/x
  3. Step 3: Cross multiply
    11,157.60x = 16,736.40 × 3,368.64
  4. Step 4: Simplify right side
    11,157.60x = 56,378,906.50
  5. Step 5: Solve for x
    x = 56,378,906.50/11,157.60
  6. Step 6: Final answer
    x = 5,052.96

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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.