Home / 13,286.55-19,929.83-4,052.55

Finding the Fourth Proportional to 13,286.55, 19,929.83 and 4,052.55

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Solution

The fourth proportional to 13,286.55, 19,929.83 and 4,052.55 is: 6,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.55 : 19,929.83 = 4,052.55 : x
  2. Step 2: Convert to fraction form
    13,286.55/19,929.83 = 4,052.55/x
  3. Step 3: Cross multiply
    13,286.55x = 19,929.83 × 4,052.55
  4. Step 4: Simplify right side
    13,286.55x = 80,766,612.30
  5. Step 5: Solve for x
    x = 80,766,612.30/13,286.55
  6. Step 6: Final answer
    x = 6,078.83

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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.