Home / 18,259.46-27,389.41-7,171.37

Finding the Fourth Proportional to 18,259.46, 27,389.41 and 7,171.37

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Solution

The fourth proportional to 18,259.46, 27,389.41 and 7,171.37 is: 10,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.46 : 27,389.41 = 7,171.37 : x
  2. Step 2: Convert to fraction form
    18,259.46/27,389.41 = 7,171.37/x
  3. Step 3: Cross multiply
    18,259.46x = 27,389.41 × 7,171.37
  4. Step 4: Simplify right side
    18,259.46x = 196,419,541.03
  5. Step 5: Solve for x
    x = 196,419,541.03/18,259.46
  6. Step 6: Final answer
    x = 10,757.14

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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.