Home / 11,820.12-17,730.26-3,054.44

Finding the Fourth Proportional to 11,820.12, 17,730.26 and 3,054.44

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Solution

The fourth proportional to 11,820.12, 17,730.26 and 3,054.44 is: 4,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.12 : 17,730.26 = 3,054.44 : x
  2. Step 2: Convert to fraction form
    11,820.12/17,730.26 = 3,054.44/x
  3. Step 3: Cross multiply
    11,820.12x = 17,730.26 × 3,054.44
  4. Step 4: Simplify right side
    11,820.12x = 54,156,015.35
  5. Step 5: Solve for x
    x = 54,156,015.35/11,820.12
  6. Step 6: Final answer
    x = 4,581.68

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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.