Home / 15,889.72-21,927.90-8,816.26

Finding the Fourth Proportional to 15,889.72, 21,927.90 and 8,816.26

Calculator

Solution

The fourth proportional to 15,889.72, 21,927.90 and 8,816.26 is: 12,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,889.72 : 21,927.90 = 8,816.26 : x
  2. Step 2: Convert to fraction form
    15,889.72/21,927.90 = 8,816.26/x
  3. Step 3: Cross multiply
    15,889.72x = 21,927.90 × 8,816.26
  4. Step 4: Simplify right side
    15,889.72x = 193,322,067.65
  5. Step 5: Solve for x
    x = 193,322,067.65/15,889.72
  6. Step 6: Final answer
    x = 12,166.49

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.