Home / 15,575.35-21,496.77-9,288.13

Finding the Fourth Proportional to 15,575.35, 21,496.77 and 9,288.13

Calculator

Solution

The fourth proportional to 15,575.35, 21,496.77 and 9,288.13 is: 12,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.35 : 21,496.77 = 9,288.13 : x
  2. Step 2: Convert to fraction form
    15,575.35/21,496.77 = 9,288.13/x
  3. Step 3: Cross multiply
    15,575.35x = 21,496.77 × 9,288.13
  4. Step 4: Simplify right side
    15,575.35x = 199,664,640.42
  5. Step 5: Solve for x
    x = 199,664,640.42/15,575.35
  6. Step 6: Final answer
    x = 12,819.28

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.