Home / 13,115.01-18,098.48-7,146.73

Finding the Fourth Proportional to 13,115.01, 18,098.48 and 7,146.73

Calculator

Solution

The fourth proportional to 13,115.01, 18,098.48 and 7,146.73 is: 9,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,115.01 : 18,098.48 = 7,146.73 : x
  2. Step 2: Convert to fraction form
    13,115.01/18,098.48 = 7,146.73/x
  3. Step 3: Cross multiply
    13,115.01x = 18,098.48 × 7,146.73
  4. Step 4: Simplify right side
    13,115.01x = 129,344,949.97
  5. Step 5: Solve for x
    x = 129,344,949.97/13,115.01
  6. Step 6: Final answer
    x = 9,862.36

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.