Home / 12,695.10-19,045.87-3,810.38

Finding the Fourth Proportional to 12,695.10, 19,045.87 and 3,810.38

Calculator

Solution

The fourth proportional to 12,695.10, 19,045.87 and 3,810.38 is: 5,716.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.10 : 19,045.87 = 3,810.38 : x
  2. Step 2: Convert to fraction form
    12,695.10/19,045.87 = 3,810.38/x
  3. Step 3: Cross multiply
    12,695.10x = 19,045.87 × 3,810.38
  4. Step 4: Simplify right side
    12,695.10x = 72,571,897.38
  5. Step 5: Solve for x
    x = 72,571,897.38/12,695.10
  6. Step 6: Final answer
    x = 5,716.53

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.