Home / 18,162.42-27,185.30-12,228.36

Finding the Fourth Proportional to 18,162.42, 27,185.30 and 12,228.36

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Solution

The fourth proportional to 18,162.42, 27,185.30 and 12,228.36 is: 18,303.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162.42 : 27,185.30 = 12,228.36 : x
  2. Step 2: Convert to fraction form
    18,162.42/27,185.30 = 12,228.36/x
  3. Step 3: Cross multiply
    18,162.42x = 27,185.30 × 12,228.36
  4. Step 4: Simplify right side
    18,162.42x = 332,431,635.11
  5. Step 5: Solve for x
    x = 332,431,635.11/18,162.42
  6. Step 6: Final answer
    x = 18,303.27

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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.