Home / 15,307.50-22,961.16-4,919.28

Finding the Fourth Proportional to 15,307.50, 22,961.16 and 4,919.28

Calculator

Solution

The fourth proportional to 15,307.50, 22,961.16 and 4,919.28 is: 7,378.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,307.50 : 22,961.16 = 4,919.28 : x
  2. Step 2: Convert to fraction form
    15,307.50/22,961.16 = 4,919.28/x
  3. Step 3: Cross multiply
    15,307.50x = 22,961.16 × 4,919.28
  4. Step 4: Simplify right side
    15,307.50x = 112,952,375.16
  5. Step 5: Solve for x
    x = 112,952,375.16/15,307.50
  6. Step 6: Final answer
    x = 7,378.89

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.