Home / 18,911.52-26,079.12-14,924.64

Finding the Fourth Proportional to 18,911.52, 26,079.12 and 14,924.64

Calculator

Solution

The fourth proportional to 18,911.52, 26,079.12 and 14,924.64 is: 20,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,911.52 : 26,079.12 = 14,924.64 : x
  2. Step 2: Convert to fraction form
    18,911.52/26,079.12 = 14,924.64/x
  3. Step 3: Cross multiply
    18,911.52x = 26,079.12 × 14,924.64
  4. Step 4: Simplify right side
    18,911.52x = 389,221,477.52
  5. Step 5: Solve for x
    x = 389,221,477.52/18,911.52
  6. Step 6: Final answer
    x = 20,581.18

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.