Home / 13,644.36-20,455.50-5,858.64

Finding the Fourth Proportional to 13,644.36, 20,455.50 and 5,858.64

Calculator

Solution

The fourth proportional to 13,644.36, 20,455.50 and 5,858.64 is: 8,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.36 : 20,455.50 = 5,858.64 : x
  2. Step 2: Convert to fraction form
    13,644.36/20,455.50 = 5,858.64/x
  3. Step 3: Cross multiply
    13,644.36x = 20,455.50 × 5,858.64
  4. Step 4: Simplify right side
    13,644.36x = 119,841,410.52
  5. Step 5: Solve for x
    x = 119,841,410.52/13,644.36
  6. Step 6: Final answer
    x = 8,783.22

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.