Home / 15,298.81-21,112.68-8,584.92

Finding the Fourth Proportional to 15,298.81, 21,112.68 and 8,584.92

Calculator

Solution

The fourth proportional to 15,298.81, 21,112.68 and 8,584.92 is: 11,847.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.81 : 21,112.68 = 8,584.92 : x
  2. Step 2: Convert to fraction form
    15,298.81/21,112.68 = 8,584.92/x
  3. Step 3: Cross multiply
    15,298.81x = 21,112.68 × 8,584.92
  4. Step 4: Simplify right side
    15,298.81x = 181,250,625.86
  5. Step 5: Solve for x
    x = 181,250,625.86/15,298.81
  6. Step 6: Final answer
    x = 11,847.37

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.