Home / 15,165.71-20,928.83-8,793.79

Finding the Fourth Proportional to 15,165.71, 20,928.83 and 8,793.79

Calculator

Solution

The fourth proportional to 15,165.71, 20,928.83 and 8,793.79 is: 12,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,165.71 : 20,928.83 = 8,793.79 : x
  2. Step 2: Convert to fraction form
    15,165.71/20,928.83 = 8,793.79/x
  3. Step 3: Cross multiply
    15,165.71x = 20,928.83 × 8,793.79
  4. Step 4: Simplify right side
    15,165.71x = 184,043,748.00
  5. Step 5: Solve for x
    x = 184,043,748.00/15,165.71
  6. Step 6: Final answer
    x = 12,135.52

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.