Home / 12,770.86-19,161.72-5,376.94

Finding the Fourth Proportional to 12,770.86, 19,161.72 and 5,376.94

Calculator

Solution

The fourth proportional to 12,770.86, 19,161.72 and 5,376.94 is: 8,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.86 : 19,161.72 = 5,376.94 : x
  2. Step 2: Convert to fraction form
    12,770.86/19,161.72 = 5,376.94/x
  3. Step 3: Cross multiply
    12,770.86x = 19,161.72 × 5,376.94
  4. Step 4: Simplify right side
    12,770.86x = 103,031,418.74
  5. Step 5: Solve for x
    x = 103,031,418.74/12,770.86
  6. Step 6: Final answer
    x = 8,067.70

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.