Home / 12,310.28-16,988.17-6,721.28

Finding the Fourth Proportional to 12,310.28, 16,988.17 and 6,721.28

Calculator

Solution

The fourth proportional to 12,310.28, 16,988.17 and 6,721.28 is: 9,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.28 : 16,988.17 = 6,721.28 : x
  2. Step 2: Convert to fraction form
    12,310.28/16,988.17 = 6,721.28/x
  3. Step 3: Cross multiply
    12,310.28x = 16,988.17 × 6,721.28
  4. Step 4: Simplify right side
    12,310.28x = 114,182,247.26
  5. Step 5: Solve for x
    x = 114,182,247.26/12,310.28
  6. Step 6: Final answer
    x = 9,275.36

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.