Home / 13,929.78-20,895.35-4,568.97

Finding the Fourth Proportional to 13,929.78, 20,895.35 and 4,568.97

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Solution

The fourth proportional to 13,929.78, 20,895.35 and 4,568.97 is: 6,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929.78 : 20,895.35 = 4,568.97 : x
  2. Step 2: Convert to fraction form
    13,929.78/20,895.35 = 4,568.97/x
  3. Step 3: Cross multiply
    13,929.78x = 20,895.35 × 4,568.97
  4. Step 4: Simplify right side
    13,929.78x = 95,470,204.44
  5. Step 5: Solve for x
    x = 95,470,204.44/13,929.78
  6. Step 6: Final answer
    x = 6,853.68

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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.