Home / 18,171.21-27,251.55-7,075.43

Finding the Fourth Proportional to 18,171.21, 27,251.55 and 7,075.43

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Solution

The fourth proportional to 18,171.21, 27,251.55 and 7,075.43 is: 10,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.21 : 27,251.55 = 7,075.43 : x
  2. Step 2: Convert to fraction form
    18,171.21/27,251.55 = 7,075.43/x
  3. Step 3: Cross multiply
    18,171.21x = 27,251.55 × 7,075.43
  4. Step 4: Simplify right side
    18,171.21x = 192,816,298.16
  5. Step 5: Solve for x
    x = 192,816,298.16/18,171.21
  6. Step 6: Final answer
    x = 10,611.09

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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.