Home / 18,269.37-27,393.55-7,163.05

Finding the Fourth Proportional to 18,269.37, 27,393.55 and 7,163.05

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Solution

The fourth proportional to 18,269.37, 27,393.55 and 7,163.05 is: 10,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.37 : 27,393.55 = 7,163.05 : x
  2. Step 2: Convert to fraction form
    18,269.37/27,393.55 = 7,163.05/x
  3. Step 3: Cross multiply
    18,269.37x = 27,393.55 × 7,163.05
  4. Step 4: Simplify right side
    18,269.37x = 196,221,368.33
  5. Step 5: Solve for x
    x = 196,221,368.33/18,269.37
  6. Step 6: Final answer
    x = 10,740.46

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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.