Home / 12,619.32-18,929.88-4,295.97

Finding the Fourth Proportional to 12,619.32, 18,929.88 and 4,295.97

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Solution

The fourth proportional to 12,619.32, 18,929.88 and 4,295.97 is: 6,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.32 : 18,929.88 = 4,295.97 : x
  2. Step 2: Convert to fraction form
    12,619.32/18,929.88 = 4,295.97/x
  3. Step 3: Cross multiply
    12,619.32x = 18,929.88 × 4,295.97
  4. Step 4: Simplify right side
    12,619.32x = 81,322,196.58
  5. Step 5: Solve for x
    x = 81,322,196.58/12,619.32
  6. Step 6: Final answer
    x = 6,444.26

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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.