Home / 19,721.56-27,212.82-11,336.44

Finding the Fourth Proportional to 19,721.56, 27,212.82 and 11,336.44

Calculator

Solution

The fourth proportional to 19,721.56, 27,212.82 and 11,336.44 is: 15,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.56 : 27,212.82 = 11,336.44 : x
  2. Step 2: Convert to fraction form
    19,721.56/27,212.82 = 11,336.44/x
  3. Step 3: Cross multiply
    19,721.56x = 27,212.82 × 11,336.44
  4. Step 4: Simplify right side
    19,721.56x = 308,496,501.16
  5. Step 5: Solve for x
    x = 308,496,501.16/19,721.56
  6. Step 6: Final answer
    x = 15,642.60

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.