Home / 11,378.42-17,075.32-3,982.94

Finding the Fourth Proportional to 11,378.42, 17,075.32 and 3,982.94

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Solution

The fourth proportional to 11,378.42, 17,075.32 and 3,982.94 is: 5,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.42 : 17,075.32 = 3,982.94 : x
  2. Step 2: Convert to fraction form
    11,378.42/17,075.32 = 3,982.94/x
  3. Step 3: Cross multiply
    11,378.42x = 17,075.32 × 3,982.94
  4. Step 4: Simplify right side
    11,378.42x = 68,009,975.04
  5. Step 5: Solve for x
    x = 68,009,975.04/11,378.42
  6. Step 6: Final answer
    x = 5,977.10

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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.