Home / 16,684.20-23,023.62-9,231.72

Finding the Fourth Proportional to 16,684.20, 23,023.62 and 9,231.72

Calculator

Solution

The fourth proportional to 16,684.20, 23,023.62 and 9,231.72 is: 12,739.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,684.20 : 23,023.62 = 9,231.72 : x
  2. Step 2: Convert to fraction form
    16,684.20/23,023.62 = 9,231.72/x
  3. Step 3: Cross multiply
    16,684.20x = 23,023.62 × 9,231.72
  4. Step 4: Simplify right side
    16,684.20x = 212,547,613.23
  5. Step 5: Solve for x
    x = 212,547,613.23/16,684.20
  6. Step 6: Final answer
    x = 12,739.45

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.