Home / 11,283.78-16,921-4,262.60

Finding the Fourth Proportional to 11,283.78, 16,921 and 4,262.60

Calculator

Solution

The fourth proportional to 11,283.78, 16,921 and 4,262.60 is: 6,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.78 : 16,921 = 4,262.60 : x
  2. Step 2: Convert to fraction form
    11,283.78/16,921 = 4,262.60/x
  3. Step 3: Cross multiply
    11,283.78x = 16,921 × 4,262.60
  4. Step 4: Simplify right side
    11,283.78x = 72,127,454.60
  5. Step 5: Solve for x
    x = 72,127,454.60/11,283.78
  6. Step 6: Final answer
    x = 6,392.14

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.