Home / 18,240.64-25,172.09-9,857.14

Finding the Fourth Proportional to 18,240.64, 25,172.09 and 9,857.14

Calculator

Solution

The fourth proportional to 18,240.64, 25,172.09 and 9,857.14 is: 13,602.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.64 : 25,172.09 = 9,857.14 : x
  2. Step 2: Convert to fraction form
    18,240.64/25,172.09 = 9,857.14/x
  3. Step 3: Cross multiply
    18,240.64x = 25,172.09 × 9,857.14
  4. Step 4: Simplify right side
    18,240.64x = 248,124,815.22
  5. Step 5: Solve for x
    x = 248,124,815.22/18,240.64
  6. Step 6: Final answer
    x = 13,602.86

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.