Home / 12,849.51-19,235.39-11,877.51

Finding the Fourth Proportional to 12,849.51, 19,235.39 and 11,877.51

Calculator

Solution

The fourth proportional to 12,849.51, 19,235.39 and 11,877.51 is: 17,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.51 : 19,235.39 = 11,877.51 : x
  2. Step 2: Convert to fraction form
    12,849.51/19,235.39 = 11,877.51/x
  3. Step 3: Cross multiply
    12,849.51x = 19,235.39 × 11,877.51
  4. Step 4: Simplify right side
    12,849.51x = 228,468,477.69
  5. Step 5: Solve for x
    x = 228,468,477.69/12,849.51
  6. Step 6: Final answer
    x = 17,780.33

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.