Home / 19,731.13-27,229.77-11,347.63

Finding the Fourth Proportional to 19,731.13, 27,229.77 and 11,347.63

Calculator

Solution

The fourth proportional to 19,731.13, 27,229.77 and 11,347.63 is: 15,660.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.13 : 27,229.77 = 11,347.63 : x
  2. Step 2: Convert to fraction form
    19,731.13/27,229.77 = 11,347.63/x
  3. Step 3: Cross multiply
    19,731.13x = 27,229.77 × 11,347.63
  4. Step 4: Simplify right side
    19,731.13x = 308,993,162.06
  5. Step 5: Solve for x
    x = 308,993,162.06/19,731.13
  6. Step 6: Final answer
    x = 15,660.19

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.