Home / 11,378.77-17,075.84-3,983.29

Finding the Fourth Proportional to 11,378.77, 17,075.84 and 3,983.29

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Solution

The fourth proportional to 11,378.77, 17,075.84 and 3,983.29 is: 5,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,378.77 : 17,075.84 = 3,983.29 : x
  2. Step 2: Convert to fraction form
    11,378.77/17,075.84 = 3,983.29/x
  3. Step 3: Cross multiply
    11,378.77x = 17,075.84 × 3,983.29
  4. Step 4: Simplify right side
    11,378.77x = 68,017,960.11
  5. Step 5: Solve for x
    x = 68,017,960.11/11,378.77
  6. Step 6: Final answer
    x = 5,977.62

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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.