Home / 15,141.40-22,720.20-6,822.70

Finding the Fourth Proportional to 15,141.40, 22,720.20 and 6,822.70

Calculator

Solution

The fourth proportional to 15,141.40, 22,720.20 and 6,822.70 is: 10,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.40 : 22,720.20 = 6,822.70 : x
  2. Step 2: Convert to fraction form
    15,141.40/22,720.20 = 6,822.70/x
  3. Step 3: Cross multiply
    15,141.40x = 22,720.20 × 6,822.70
  4. Step 4: Simplify right side
    15,141.40x = 155,013,108.54
  5. Step 5: Solve for x
    x = 155,013,108.54/15,141.40
  6. Step 6: Final answer
    x = 10,237.70

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.