Home / 15,415.28-23,122.92-7,629.56

Finding the Fourth Proportional to 15,415.28, 23,122.92 and 7,629.56

Calculator

Solution

The fourth proportional to 15,415.28, 23,122.92 and 7,629.56 is: 11,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.28 : 23,122.92 = 7,629.56 : x
  2. Step 2: Convert to fraction form
    15,415.28/23,122.92 = 7,629.56/x
  3. Step 3: Cross multiply
    15,415.28x = 23,122.92 × 7,629.56
  4. Step 4: Simplify right side
    15,415.28x = 176,417,705.52
  5. Step 5: Solve for x
    x = 176,417,705.52/15,415.28
  6. Step 6: Final answer
    x = 11,444.34

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.