Home / 13,059.28-18,025.44-8,280.04

Finding the Fourth Proportional to 13,059.28, 18,025.44 and 8,280.04

Calculator

Solution

The fourth proportional to 13,059.28, 18,025.44 and 8,280.04 is: 11,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.28 : 18,025.44 = 8,280.04 : x
  2. Step 2: Convert to fraction form
    13,059.28/18,025.44 = 8,280.04/x
  3. Step 3: Cross multiply
    13,059.28x = 18,025.44 × 8,280.04
  4. Step 4: Simplify right side
    13,059.28x = 149,251,364.22
  5. Step 5: Solve for x
    x = 149,251,364.22/13,059.28
  6. Step 6: Final answer
    x = 11,428.76

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.