Home / 15,535.13-21,438.72-8,820.93

Finding the Fourth Proportional to 15,535.13, 21,438.72 and 8,820.93

Calculator

Solution

The fourth proportional to 15,535.13, 21,438.72 and 8,820.93 is: 12,173.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.13 : 21,438.72 = 8,820.93 : x
  2. Step 2: Convert to fraction form
    15,535.13/21,438.72 = 8,820.93/x
  3. Step 3: Cross multiply
    15,535.13x = 21,438.72 × 8,820.93
  4. Step 4: Simplify right side
    15,535.13x = 189,109,448.41
  5. Step 5: Solve for x
    x = 189,109,448.41/15,535.13
  6. Step 6: Final answer
    x = 12,173.02

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.