Home / 11,277.64-16,918.95-3,379.83

Finding the Fourth Proportional to 11,277.64, 16,918.95 and 3,379.83

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Solution

The fourth proportional to 11,277.64, 16,918.95 and 3,379.83 is: 5,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.64 : 16,918.95 = 3,379.83 : x
  2. Step 2: Convert to fraction form
    11,277.64/16,918.95 = 3,379.83/x
  3. Step 3: Cross multiply
    11,277.64x = 16,918.95 × 3,379.83
  4. Step 4: Simplify right side
    11,277.64x = 57,183,157.88
  5. Step 5: Solve for x
    x = 57,183,157.88/11,277.64
  6. Step 6: Final answer
    x = 5,070.49

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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.