Home / 13,761.76-20,642.64-5,548

Finding the Fourth Proportional to 13,761.76, 20,642.64 and 5,548

Calculator

Solution

The fourth proportional to 13,761.76, 20,642.64 and 5,548 is: 8,322

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,761.76 : 20,642.64 = 5,548 : x
  2. Step 2: Convert to fraction form
    13,761.76/20,642.64 = 5,548/x
  3. Step 3: Cross multiply
    13,761.76x = 20,642.64 × 5,548
  4. Step 4: Simplify right side
    13,761.76x = 114,525,366.72
  5. Step 5: Solve for x
    x = 114,525,366.72/13,761.76
  6. Step 6: Final answer
    x = 8,322

Related Problems

Find fourth proportional to 6,880.88, 10,321.32 and 2,774
Half scale
Find fourth proportional to 27,523.52, 41,285.28 and 11,096
Double scale
Find fourth proportional to 13,762.76, 20,644.14 and 5,549
Similar ratio
Find fourth proportional to 20,642.64, 30,963.96 and 8,322
1.5x scale

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.