Home / 12,451.40-17,184.66-7,147.88

Finding the Fourth Proportional to 12,451.40, 17,184.66 and 7,147.88

Calculator

Solution

The fourth proportional to 12,451.40, 17,184.66 and 7,147.88 is: 9,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.40 : 17,184.66 = 7,147.88 : x
  2. Step 2: Convert to fraction form
    12,451.40/17,184.66 = 7,147.88/x
  3. Step 3: Cross multiply
    12,451.40x = 17,184.66 × 7,147.88
  4. Step 4: Simplify right side
    12,451.40x = 122,833,887.52
  5. Step 5: Solve for x
    x = 122,833,887.52/12,451.40
  6. Step 6: Final answer
    x = 9,865.07

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.