Home / 12,942.56-17,866.56-8,466.40

Finding the Fourth Proportional to 12,942.56, 17,866.56 and 8,466.40

Calculator

Solution

The fourth proportional to 12,942.56, 17,866.56 and 8,466.40 is: 11,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942.56 : 17,866.56 = 8,466.40 : x
  2. Step 2: Convert to fraction form
    12,942.56/17,866.56 = 8,466.40/x
  3. Step 3: Cross multiply
    12,942.56x = 17,866.56 × 8,466.40
  4. Step 4: Simplify right side
    12,942.56x = 151,265,443.58
  5. Step 5: Solve for x
    x = 151,265,443.58/12,942.56
  6. Step 6: Final answer
    x = 11,687.44

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.