Home / 18,428.99-25,429.75-11,262.51

Finding the Fourth Proportional to 18,428.99, 25,429.75 and 11,262.51

Calculator

Solution

The fourth proportional to 18,428.99, 25,429.75 and 11,262.51 is: 15,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.99 : 25,429.75 = 11,262.51 : x
  2. Step 2: Convert to fraction form
    18,428.99/25,429.75 = 11,262.51/x
  3. Step 3: Cross multiply
    18,428.99x = 25,429.75 × 11,262.51
  4. Step 4: Simplify right side
    18,428.99x = 286,402,785.52
  5. Step 5: Solve for x
    x = 286,402,785.52/18,428.99
  6. Step 6: Final answer
    x = 15,540.89

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.