Home / 19,918.20-27,477.99-11,946.72

Finding the Fourth Proportional to 19,918.20, 27,477.99 and 11,946.72

Calculator

Solution

The fourth proportional to 19,918.20, 27,477.99 and 11,946.72 is: 16,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.20 : 27,477.99 = 11,946.72 : x
  2. Step 2: Convert to fraction form
    19,918.20/27,477.99 = 11,946.72/x
  3. Step 3: Cross multiply
    19,918.20x = 27,477.99 × 11,946.72
  4. Step 4: Simplify right side
    19,918.20x = 328,271,852.69
  5. Step 5: Solve for x
    x = 328,271,852.69/19,918.20
  6. Step 6: Final answer
    x = 16,481.00

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.