Home / 12,162.48-18,243.84-3,842.34

Finding the Fourth Proportional to 12,162.48, 18,243.84 and 3,842.34

Calculator

Solution

The fourth proportional to 12,162.48, 18,243.84 and 3,842.34 is: 5,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.48 : 18,243.84 = 3,842.34 : x
  2. Step 2: Convert to fraction form
    12,162.48/18,243.84 = 3,842.34/x
  3. Step 3: Cross multiply
    12,162.48x = 18,243.84 × 3,842.34
  4. Step 4: Simplify right side
    12,162.48x = 70,099,036.19
  5. Step 5: Solve for x
    x = 70,099,036.19/12,162.48
  6. Step 6: Final answer
    x = 5,763.55

Related Problems

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.