Home / 13,702.57-18,909.57-7,414.95

Finding the Fourth Proportional to 13,702.57, 18,909.57 and 7,414.95

Calculator

Solution

The fourth proportional to 13,702.57, 18,909.57 and 7,414.95 is: 10,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.57 : 18,909.57 = 7,414.95 : x
  2. Step 2: Convert to fraction form
    13,702.57/18,909.57 = 7,414.95/x
  3. Step 3: Cross multiply
    13,702.57x = 18,909.57 × 7,414.95
  4. Step 4: Simplify right side
    13,702.57x = 140,213,516.07
  5. Step 5: Solve for x
    x = 140,213,516.07/13,702.57
  6. Step 6: Final answer
    x = 10,232.64

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.