Home / 13,772.40-19,333.20-13,772.40

Finding the Fourth Proportional to 13,772.40, 19,333.20 and 13,772.40

Calculator

Solution

The fourth proportional to 13,772.40, 19,333.20 and 13,772.40 is: 19,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772.40 : 19,333.20 = 13,772.40 : x
  2. Step 2: Convert to fraction form
    13,772.40/19,333.20 = 13,772.40/x
  3. Step 3: Cross multiply
    13,772.40x = 19,333.20 × 13,772.40
  4. Step 4: Simplify right side
    13,772.40x = 266,264,563.68
  5. Step 5: Solve for x
    x = 266,264,563.68/13,772.40
  6. Step 6: Final answer
    x = 19,333.20

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.