Home / 18,775.96-28,134.72-7,082.80

Finding the Fourth Proportional to 18,775.96, 28,134.72 and 7,082.80

Calculator

Solution

The fourth proportional to 18,775.96, 28,134.72 and 7,082.80 is: 10,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,775.96 : 28,134.72 = 7,082.80 : x
  2. Step 2: Convert to fraction form
    18,775.96/28,134.72 = 7,082.80/x
  3. Step 3: Cross multiply
    18,775.96x = 28,134.72 × 7,082.80
  4. Step 4: Simplify right side
    18,775.96x = 199,272,594.82
  5. Step 5: Solve for x
    x = 199,272,594.82/18,775.96
  6. Step 6: Final answer
    x = 10,613.18

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.