Home / 10,279.38-15,381.18-7,268.52

Finding the Fourth Proportional to 10,279.38, 15,381.18 and 7,268.52

Calculator

Solution

The fourth proportional to 10,279.38, 15,381.18 and 7,268.52 is: 10,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.38 : 15,381.18 = 7,268.52 : x
  2. Step 2: Convert to fraction form
    10,279.38/15,381.18 = 7,268.52/x
  3. Step 3: Cross multiply
    10,279.38x = 15,381.18 × 7,268.52
  4. Step 4: Simplify right side
    10,279.38x = 111,798,414.45
  5. Step 5: Solve for x
    x = 111,798,414.45/10,279.38
  6. Step 6: Final answer
    x = 10,875.99

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.