Home / 19,031.83-28,531.34-9,157.53

Finding the Fourth Proportional to 19,031.83, 28,531.34 and 9,157.53

Calculator

Solution

The fourth proportional to 19,031.83, 28,531.34 and 9,157.53 is: 13,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.83 : 28,531.34 = 9,157.53 : x
  2. Step 2: Convert to fraction form
    19,031.83/28,531.34 = 9,157.53/x
  3. Step 3: Cross multiply
    19,031.83x = 28,531.34 × 9,157.53
  4. Step 4: Simplify right side
    19,031.83x = 261,276,517.89
  5. Step 5: Solve for x
    x = 261,276,517.89/19,031.83
  6. Step 6: Final answer
    x = 13,728.40

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.