Home / 11,277.95-16,913.64-3,380.15

Finding the Fourth Proportional to 11,277.95, 16,913.64 and 3,380.15

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Solution

The fourth proportional to 11,277.95, 16,913.64 and 3,380.15 is: 5,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.95 : 16,913.64 = 3,380.15 : x
  2. Step 2: Convert to fraction form
    11,277.95/16,913.64 = 3,380.15/x
  3. Step 3: Cross multiply
    11,277.95x = 16,913.64 × 3,380.15
  4. Step 4: Simplify right side
    11,277.95x = 57,170,640.25
  5. Step 5: Solve for x
    x = 57,170,640.25/11,277.95
  6. Step 6: Final answer
    x = 5,069.24

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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.