Home / 9,149.40-12,627.90-6,643.13

Finding the Fourth Proportional to 9,149.40, 12,627.90 and 6,643.13

Calculator

Solution

The fourth proportional to 9,149.40, 12,627.90 and 6,643.13 is: 9,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.40 : 12,627.90 = 6,643.13 : x
  2. Step 2: Convert to fraction form
    9,149.40/12,627.90 = 6,643.13/x
  3. Step 3: Cross multiply
    9,149.40x = 12,627.90 × 6,643.13
  4. Step 4: Simplify right side
    9,149.40x = 83,888,718.19
  5. Step 5: Solve for x
    x = 83,888,718.19/9,149.40
  6. Step 6: Final answer
    x = 9,168.77

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.