Home / 11,090.88-16,636.32-8,784

Finding the Fourth Proportional to 11,090.88, 16,636.32 and 8,784

Calculator

Solution

The fourth proportional to 11,090.88, 16,636.32 and 8,784 is: 13,176

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.88 : 16,636.32 = 8,784 : x
  2. Step 2: Convert to fraction form
    11,090.88/16,636.32 = 8,784/x
  3. Step 3: Cross multiply
    11,090.88x = 16,636.32 × 8,784
  4. Step 4: Simplify right side
    11,090.88x = 146,133,434.88
  5. Step 5: Solve for x
    x = 146,133,434.88/11,090.88
  6. Step 6: Final answer
    x = 13,176

Related Problems

Find fourth proportional to 5,545.44, 8,318.16 and 4,392
Half scale
Find fourth proportional to 22,181.76, 33,272.64 and 17,568
Double scale
Find fourth proportional to 11,091.88, 16,637.82 and 8,785
Similar ratio
Find fourth proportional to 16,636.32, 24,954.48 and 13,176
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.