Home / 8,957.34-13,396.71-7,977.07

Finding the Fourth Proportional to 8,957.34, 13,396.71 and 7,977.07

Calculator

Solution

The fourth proportional to 8,957.34, 13,396.71 and 7,977.07 is: 11,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.34 : 13,396.71 = 7,977.07 : x
  2. Step 2: Convert to fraction form
    8,957.34/13,396.71 = 7,977.07/x
  3. Step 3: Cross multiply
    8,957.34x = 13,396.71 × 7,977.07
  4. Step 4: Simplify right side
    8,957.34x = 106,866,459.95
  5. Step 5: Solve for x
    x = 106,866,459.95/8,957.34
  6. Step 6: Final answer
    x = 11,930.60

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.