Home / 13,147.50-18,145.26-7,558.50

Finding the Fourth Proportional to 13,147.50, 18,145.26 and 7,558.50

Calculator

Solution

The fourth proportional to 13,147.50, 18,145.26 and 7,558.50 is: 10,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.50 : 18,145.26 = 7,558.50 : x
  2. Step 2: Convert to fraction form
    13,147.50/18,145.26 = 7,558.50/x
  3. Step 3: Cross multiply
    13,147.50x = 18,145.26 × 7,558.50
  4. Step 4: Simplify right side
    13,147.50x = 137,150,947.71
  5. Step 5: Solve for x
    x = 137,150,947.71/13,147.50
  6. Step 6: Final answer
    x = 10,431.71

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.