Home / 11,621.95-17,435.64-3,830.75

Finding the Fourth Proportional to 11,621.95, 17,435.64 and 3,830.75

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Solution

The fourth proportional to 11,621.95, 17,435.64 and 3,830.75 is: 5,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.95 : 17,435.64 = 3,830.75 : x
  2. Step 2: Convert to fraction form
    11,621.95/17,435.64 = 3,830.75/x
  3. Step 3: Cross multiply
    11,621.95x = 17,435.64 × 3,830.75
  4. Step 4: Simplify right side
    11,621.95x = 66,791,577.93
  5. Step 5: Solve for x
    x = 66,791,577.93/11,621.95
  6. Step 6: Final answer
    x = 5,747.02

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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.