Home / 12,380.15-17,084.37-7,002.49

Finding the Fourth Proportional to 12,380.15, 17,084.37 and 7,002.49

Calculator

Solution

The fourth proportional to 12,380.15, 17,084.37 and 7,002.49 is: 9,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380.15 : 17,084.37 = 7,002.49 : x
  2. Step 2: Convert to fraction form
    12,380.15/17,084.37 = 7,002.49/x
  3. Step 3: Cross multiply
    12,380.15x = 17,084.37 × 7,002.49
  4. Step 4: Simplify right side
    12,380.15x = 119,633,130.08
  5. Step 5: Solve for x
    x = 119,633,130.08/12,380.15
  6. Step 6: Final answer
    x = 9,663.30

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.