Home / 13,545.92-20,320.52-4,779.04

Finding the Fourth Proportional to 13,545.92, 20,320.52 and 4,779.04

Calculator

Solution

The fourth proportional to 13,545.92, 20,320.52 and 4,779.04 is: 7,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.92 : 20,320.52 = 4,779.04 : x
  2. Step 2: Convert to fraction form
    13,545.92/20,320.52 = 4,779.04/x
  3. Step 3: Cross multiply
    13,545.92x = 20,320.52 × 4,779.04
  4. Step 4: Simplify right side
    13,545.92x = 97,112,577.90
  5. Step 5: Solve for x
    x = 97,112,577.90/13,545.92
  6. Step 6: Final answer
    x = 7,169.14

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.