Home / 12,160.67-18,231.28-4,763.75

Finding the Fourth Proportional to 12,160.67, 18,231.28 and 4,763.75

Calculator

Solution

The fourth proportional to 12,160.67, 18,231.28 and 4,763.75 is: 7,141.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160.67 : 18,231.28 = 4,763.75 : x
  2. Step 2: Convert to fraction form
    12,160.67/18,231.28 = 4,763.75/x
  3. Step 3: Cross multiply
    12,160.67x = 18,231.28 × 4,763.75
  4. Step 4: Simplify right side
    12,160.67x = 86,849,157.03
  5. Step 5: Solve for x
    x = 86,849,157.03/12,160.67
  6. Step 6: Final answer
    x = 7,141.81

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.