Home / 15,987.24-22,062.15-8,913.48

Finding the Fourth Proportional to 15,987.24, 22,062.15 and 8,913.48

Calculator

Solution

The fourth proportional to 15,987.24, 22,062.15 and 8,913.48 is: 12,300.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.24 : 22,062.15 = 8,913.48 : x
  2. Step 2: Convert to fraction form
    15,987.24/22,062.15 = 8,913.48/x
  3. Step 3: Cross multiply
    15,987.24x = 22,062.15 × 8,913.48
  4. Step 4: Simplify right side
    15,987.24x = 196,650,532.78
  5. Step 5: Solve for x
    x = 196,650,532.78/15,987.24
  6. Step 6: Final answer
    x = 12,300.47

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.