Home / 12,108.79-16,708.75-6,802.48

Finding the Fourth Proportional to 12,108.79, 16,708.75 and 6,802.48

Calculator

Solution

The fourth proportional to 12,108.79, 16,708.75 and 6,802.48 is: 9,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108.79 : 16,708.75 = 6,802.48 : x
  2. Step 2: Convert to fraction form
    12,108.79/16,708.75 = 6,802.48/x
  3. Step 3: Cross multiply
    12,108.79x = 16,708.75 × 6,802.48
  4. Step 4: Simplify right side
    12,108.79x = 113,660,937.70
  5. Step 5: Solve for x
    x = 113,660,937.70/12,108.79
  6. Step 6: Final answer
    x = 9,386.65

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.