Home / 15,135.12-22,702.78-5,274.58

Finding the Fourth Proportional to 15,135.12, 22,702.78 and 5,274.58

Calculator

Solution

The fourth proportional to 15,135.12, 22,702.78 and 5,274.58 is: 7,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.12 : 22,702.78 = 5,274.58 : x
  2. Step 2: Convert to fraction form
    15,135.12/22,702.78 = 5,274.58/x
  3. Step 3: Cross multiply
    15,135.12x = 22,702.78 × 5,274.58
  4. Step 4: Simplify right side
    15,135.12x = 119,747,629.33
  5. Step 5: Solve for x
    x = 119,747,629.33/15,135.12
  6. Step 6: Final answer
    x = 7,911.90

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.