Home / 11,168.30-15,412.65-7,398.02

Finding the Fourth Proportional to 11,168.30, 15,412.65 and 7,398.02

Calculator

Solution

The fourth proportional to 11,168.30, 15,412.65 and 7,398.02 is: 10,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.30 : 15,412.65 = 7,398.02 : x
  2. Step 2: Convert to fraction form
    11,168.30/15,412.65 = 7,398.02/x
  3. Step 3: Cross multiply
    11,168.30x = 15,412.65 × 7,398.02
  4. Step 4: Simplify right side
    11,168.30x = 114,023,092.95
  5. Step 5: Solve for x
    x = 114,023,092.95/11,168.30
  6. Step 6: Final answer
    x = 10,209.53

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.