Home / 12,780.25-19,173.42-4,015.16

Finding the Fourth Proportional to 12,780.25, 19,173.42 and 4,015.16

Calculator

Solution

The fourth proportional to 12,780.25, 19,173.42 and 4,015.16 is: 6,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,780.25 : 19,173.42 = 4,015.16 : x
  2. Step 2: Convert to fraction form
    12,780.25/19,173.42 = 4,015.16/x
  3. Step 3: Cross multiply
    12,780.25x = 19,173.42 × 4,015.16
  4. Step 4: Simplify right side
    12,780.25x = 76,984,349.05
  5. Step 5: Solve for x
    x = 76,984,349.05/12,780.25
  6. Step 6: Final answer
    x = 6,023.70

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.