Home / 13,400.29-18,492.29-7,431.98

Finding the Fourth Proportional to 13,400.29, 18,492.29 and 7,431.98

Calculator

Solution

The fourth proportional to 13,400.29, 18,492.29 and 7,431.98 is: 10,256.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.29 : 18,492.29 = 7,431.98 : x
  2. Step 2: Convert to fraction form
    13,400.29/18,492.29 = 7,431.98/x
  3. Step 3: Cross multiply
    13,400.29x = 18,492.29 × 7,431.98
  4. Step 4: Simplify right side
    13,400.29x = 137,434,329.43
  5. Step 5: Solve for x
    x = 137,434,329.43/13,400.29
  6. Step 6: Final answer
    x = 10,256.07

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.