Home / 13,838.81-20,741.96-6,427.65

Finding the Fourth Proportional to 13,838.81, 20,741.96 and 6,427.65

Calculator

Solution

The fourth proportional to 13,838.81, 20,741.96 and 6,427.65 is: 9,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.81 : 20,741.96 = 6,427.65 : x
  2. Step 2: Convert to fraction form
    13,838.81/20,741.96 = 6,427.65/x
  3. Step 3: Cross multiply
    13,838.81x = 20,741.96 × 6,427.65
  4. Step 4: Simplify right side
    13,838.81x = 133,321,923.35
  5. Step 5: Solve for x
    x = 133,321,923.35/13,838.81
  6. Step 6: Final answer
    x = 9,633.92

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.