Home / 13,062.96-18,015.78-8,813.34

Finding the Fourth Proportional to 13,062.96, 18,015.78 and 8,813.34

Calculator

Solution

The fourth proportional to 13,062.96, 18,015.78 and 8,813.34 is: 12,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.96 : 18,015.78 = 8,813.34 : x
  2. Step 2: Convert to fraction form
    13,062.96/18,015.78 = 8,813.34/x
  3. Step 3: Cross multiply
    13,062.96x = 18,015.78 × 8,813.34
  4. Step 4: Simplify right side
    13,062.96x = 158,779,194.51
  5. Step 5: Solve for x
    x = 158,779,194.51/13,062.96
  6. Step 6: Final answer
    x = 12,154.92

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.