Home / 18,163.68-25,065.96-10,208.64

Finding the Fourth Proportional to 18,163.68, 25,065.96 and 10,208.64

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Solution

The fourth proportional to 18,163.68, 25,065.96 and 10,208.64 is: 14,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.68 : 25,065.96 = 10,208.64 : x
  2. Step 2: Convert to fraction form
    18,163.68/25,065.96 = 10,208.64/x
  3. Step 3: Cross multiply
    18,163.68x = 25,065.96 × 10,208.64
  4. Step 4: Simplify right side
    18,163.68x = 255,889,361.89
  5. Step 5: Solve for x
    x = 255,889,361.89/18,163.68
  6. Step 6: Final answer
    x = 14,087.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.