Home / 18,374.52-25,357.25-9,991.02

Finding the Fourth Proportional to 18,374.52, 25,357.25 and 9,991.02

Calculator

Solution

The fourth proportional to 18,374.52, 25,357.25 and 9,991.02 is: 13,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.52 : 25,357.25 = 9,991.02 : x
  2. Step 2: Convert to fraction form
    18,374.52/25,357.25 = 9,991.02/x
  3. Step 3: Cross multiply
    18,374.52x = 25,357.25 × 9,991.02
  4. Step 4: Simplify right side
    18,374.52x = 253,344,791.90
  5. Step 5: Solve for x
    x = 253,344,791.90/18,374.52
  6. Step 6: Final answer
    x = 13,787.83

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.