Home / 13,151.22-18,145.71-7,845

Finding the Fourth Proportional to 13,151.22, 18,145.71 and 7,845

Calculator

Solution

The fourth proportional to 13,151.22, 18,145.71 and 7,845 is: 10,824.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.22 : 18,145.71 = 7,845 : x
  2. Step 2: Convert to fraction form
    13,151.22/18,145.71 = 7,845/x
  3. Step 3: Cross multiply
    13,151.22x = 18,145.71 × 7,845
  4. Step 4: Simplify right side
    13,151.22x = 142,353,094.95
  5. Step 5: Solve for x
    x = 142,353,094.95/13,151.22
  6. Step 6: Final answer
    x = 10,824.33

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.