Home / 18,409.48-27,615.13-5,263.79

Finding the Fourth Proportional to 18,409.48, 27,615.13 and 5,263.79

Calculator

Solution

The fourth proportional to 18,409.48, 27,615.13 and 5,263.79 is: 7,895.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.48 : 27,615.13 = 5,263.79 : x
  2. Step 2: Convert to fraction form
    18,409.48/27,615.13 = 5,263.79/x
  3. Step 3: Cross multiply
    18,409.48x = 27,615.13 × 5,263.79
  4. Step 4: Simplify right side
    18,409.48x = 145,360,245.14
  5. Step 5: Solve for x
    x = 145,360,245.14/18,409.48
  6. Step 6: Final answer
    x = 7,895.95

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.