Home / 11,081.20-16,618.20-3,684.40

Finding the Fourth Proportional to 11,081.20, 16,618.20 and 3,684.40

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Solution

The fourth proportional to 11,081.20, 16,618.20 and 3,684.40 is: 5,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.20 : 16,618.20 = 3,684.40 : x
  2. Step 2: Convert to fraction form
    11,081.20/16,618.20 = 3,684.40/x
  3. Step 3: Cross multiply
    11,081.20x = 16,618.20 × 3,684.40
  4. Step 4: Simplify right side
    11,081.20x = 61,228,096.08
  5. Step 5: Solve for x
    x = 61,228,096.08/11,081.20
  6. Step 6: Final answer
    x = 5,525.40

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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.