Home / 18,699.88-28,044.06-6,385

Finding the Fourth Proportional to 18,699.88, 28,044.06 and 6,385

Calculator

Solution

The fourth proportional to 18,699.88, 28,044.06 and 6,385 is: 9,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.88 : 28,044.06 = 6,385 : x
  2. Step 2: Convert to fraction form
    18,699.88/28,044.06 = 6,385/x
  3. Step 3: Cross multiply
    18,699.88x = 28,044.06 × 6,385
  4. Step 4: Simplify right side
    18,699.88x = 179,061,323.10
  5. Step 5: Solve for x
    x = 179,061,323.10/18,699.88
  6. Step 6: Final answer
    x = 9,575.53

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.