Home / 11,022.60-16,533.90-5,190.60

Finding the Fourth Proportional to 11,022.60, 16,533.90 and 5,190.60

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Solution

The fourth proportional to 11,022.60, 16,533.90 and 5,190.60 is: 7,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.60 : 16,533.90 = 5,190.60 : x
  2. Step 2: Convert to fraction form
    11,022.60/16,533.90 = 5,190.60/x
  3. Step 3: Cross multiply
    11,022.60x = 16,533.90 × 5,190.60
  4. Step 4: Simplify right side
    11,022.60x = 85,820,861.34
  5. Step 5: Solve for x
    x = 85,820,861.34/11,022.60
  6. Step 6: Final answer
    x = 7,785.90

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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.