Home / 12,789.28-19,186.35-4,026.70

Finding the Fourth Proportional to 12,789.28, 19,186.35 and 4,026.70

Calculator

Solution

The fourth proportional to 12,789.28, 19,186.35 and 4,026.70 is: 6,040.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.28 : 19,186.35 = 4,026.70 : x
  2. Step 2: Convert to fraction form
    12,789.28/19,186.35 = 4,026.70/x
  3. Step 3: Cross multiply
    12,789.28x = 19,186.35 × 4,026.70
  4. Step 4: Simplify right side
    12,789.28x = 77,257,675.55
  5. Step 5: Solve for x
    x = 77,257,675.55/12,789.28
  6. Step 6: Final answer
    x = 6,040.82

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.