Home / 19,297.08-28,956.54-12,726.36

Finding the Fourth Proportional to 19,297.08, 28,956.54 and 12,726.36

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Solution

The fourth proportional to 19,297.08, 28,956.54 and 12,726.36 is: 19,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.08 : 28,956.54 = 12,726.36 : x
  2. Step 2: Convert to fraction form
    19,297.08/28,956.54 = 12,726.36/x
  3. Step 3: Cross multiply
    19,297.08x = 28,956.54 × 12,726.36
  4. Step 4: Simplify right side
    19,297.08x = 368,511,352.39
  5. Step 5: Solve for x
    x = 368,511,352.39/19,297.08
  6. Step 6: Final answer
    x = 19,096.74

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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.