Home / 11,820.44-17,731.11-4,424.12

Finding the Fourth Proportional to 11,820.44, 17,731.11 and 4,424.12

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Solution

The fourth proportional to 11,820.44, 17,731.11 and 4,424.12 is: 6,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.44 : 17,731.11 = 4,424.12 : x
  2. Step 2: Convert to fraction form
    11,820.44/17,731.11 = 4,424.12/x
  3. Step 3: Cross multiply
    11,820.44x = 17,731.11 × 4,424.12
  4. Step 4: Simplify right side
    11,820.44x = 78,444,558.37
  5. Step 5: Solve for x
    x = 78,444,558.37/11,820.44
  6. Step 6: Final answer
    x = 6,636.35

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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.