Home / 12,423.36-17,144.83-7,118.19

Finding the Fourth Proportional to 12,423.36, 17,144.83 and 7,118.19

Calculator

Solution

The fourth proportional to 12,423.36, 17,144.83 and 7,118.19 is: 9,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.36 : 17,144.83 = 7,118.19 : x
  2. Step 2: Convert to fraction form
    12,423.36/17,144.83 = 7,118.19/x
  3. Step 3: Cross multiply
    12,423.36x = 17,144.83 × 7,118.19
  4. Step 4: Simplify right side
    12,423.36x = 122,040,071.73
  5. Step 5: Solve for x
    x = 122,040,071.73/12,423.36
  6. Step 6: Final answer
    x = 9,823.44

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.