Home / 18,075.45-27,116.84-6,396.87

Finding the Fourth Proportional to 18,075.45, 27,116.84 and 6,396.87

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Solution

The fourth proportional to 18,075.45, 27,116.84 and 6,396.87 is: 9,596.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.45 : 27,116.84 = 6,396.87 : x
  2. Step 2: Convert to fraction form
    18,075.45/27,116.84 = 6,396.87/x
  3. Step 3: Cross multiply
    18,075.45x = 27,116.84 × 6,396.87
  4. Step 4: Simplify right side
    18,075.45x = 173,463,017.97
  5. Step 5: Solve for x
    x = 173,463,017.97/18,075.45
  6. Step 6: Final answer
    x = 9,596.61

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1.5x scale

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.