Home / 13,989.66-19,305.63-7,701.90

Finding the Fourth Proportional to 13,989.66, 19,305.63 and 7,701.90

Calculator

Solution

The fourth proportional to 13,989.66, 19,305.63 and 7,701.90 is: 10,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.66 : 19,305.63 = 7,701.90 : x
  2. Step 2: Convert to fraction form
    13,989.66/19,305.63 = 7,701.90/x
  3. Step 3: Cross multiply
    13,989.66x = 19,305.63 × 7,701.90
  4. Step 4: Simplify right side
    13,989.66x = 148,690,031.70
  5. Step 5: Solve for x
    x = 148,690,031.70/13,989.66
  6. Step 6: Final answer
    x = 10,628.57

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.