Home / 12,215.44-18,323.92-4,424.32

Finding the Fourth Proportional to 12,215.44, 18,323.92 and 4,424.32

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Solution

The fourth proportional to 12,215.44, 18,323.92 and 4,424.32 is: 6,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215.44 : 18,323.92 = 4,424.32 : x
  2. Step 2: Convert to fraction form
    12,215.44/18,323.92 = 4,424.32/x
  3. Step 3: Cross multiply
    12,215.44x = 18,323.92 × 4,424.32
  4. Step 4: Simplify right side
    12,215.44x = 81,070,885.73
  5. Step 5: Solve for x
    x = 81,070,885.73/12,215.44
  6. Step 6: Final answer
    x = 6,636.76

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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.