Home / 8,484.52-12,707.34-8,005

Finding the Fourth Proportional to 8,484.52, 12,707.34 and 8,005

Calculator

Solution

The fourth proportional to 8,484.52, 12,707.34 and 8,005 is: 11,989.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.52 : 12,707.34 = 8,005 : x
  2. Step 2: Convert to fraction form
    8,484.52/12,707.34 = 8,005/x
  3. Step 3: Cross multiply
    8,484.52x = 12,707.34 × 8,005
  4. Step 4: Simplify right side
    8,484.52x = 101,722,256.70
  5. Step 5: Solve for x
    x = 101,722,256.70/8,484.52
  6. Step 6: Final answer
    x = 11,989.16

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.