Home / 13,160.88-18,161.28-7,496.28

Finding the Fourth Proportional to 13,160.88, 18,161.28 and 7,496.28

Calculator

Solution

The fourth proportional to 13,160.88, 18,161.28 and 7,496.28 is: 10,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.88 : 18,161.28 = 7,496.28 : x
  2. Step 2: Convert to fraction form
    13,160.88/18,161.28 = 7,496.28/x
  3. Step 3: Cross multiply
    13,160.88x = 18,161.28 × 7,496.28
  4. Step 4: Simplify right side
    13,160.88x = 136,142,040.04
  5. Step 5: Solve for x
    x = 136,142,040.04/13,160.88
  6. Step 6: Final answer
    x = 10,344.45

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.