Home / 18,502.20-25,527.69-11,430.90

Finding the Fourth Proportional to 18,502.20, 25,527.69 and 11,430.90

Calculator

Solution

The fourth proportional to 18,502.20, 25,527.69 and 11,430.90 is: 15,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502.20 : 25,527.69 = 11,430.90 : x
  2. Step 2: Convert to fraction form
    18,502.20/25,527.69 = 11,430.90/x
  3. Step 3: Cross multiply
    18,502.20x = 25,527.69 × 11,430.90
  4. Step 4: Simplify right side
    18,502.20x = 291,804,471.62
  5. Step 5: Solve for x
    x = 291,804,471.62/18,502.20
  6. Step 6: Final answer
    x = 15,771.34

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.