Home / 13,245.12-19,870.36-3,885.42

Finding the Fourth Proportional to 13,245.12, 19,870.36 and 3,885.42

Calculator

Solution

The fourth proportional to 13,245.12, 19,870.36 and 3,885.42 is: 5,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.12 : 19,870.36 = 3,885.42 : x
  2. Step 2: Convert to fraction form
    13,245.12/19,870.36 = 3,885.42/x
  3. Step 3: Cross multiply
    13,245.12x = 19,870.36 × 3,885.42
  4. Step 4: Simplify right side
    13,245.12x = 77,204,669.04
  5. Step 5: Solve for x
    x = 77,204,669.04/13,245.12
  6. Step 6: Final answer
    x = 5,828.91

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.