Home / 11,208.60-16,808.04-3,811.08

Finding the Fourth Proportional to 11,208.60, 16,808.04 and 3,811.08

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Solution

The fourth proportional to 11,208.60, 16,808.04 and 3,811.08 is: 5,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.60 : 16,808.04 = 3,811.08 : x
  2. Step 2: Convert to fraction form
    11,208.60/16,808.04 = 3,811.08/x
  3. Step 3: Cross multiply
    11,208.60x = 16,808.04 × 3,811.08
  4. Step 4: Simplify right side
    11,208.60x = 64,056,785.08
  5. Step 5: Solve for x
    x = 64,056,785.08/11,208.60
  6. Step 6: Final answer
    x = 5,714.97

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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.