Home / 13,863.54-20,789.14-4,000.48

Finding the Fourth Proportional to 13,863.54, 20,789.14 and 4,000.48

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Solution

The fourth proportional to 13,863.54, 20,789.14 and 4,000.48 is: 5,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.54 : 20,789.14 = 4,000.48 : x
  2. Step 2: Convert to fraction form
    13,863.54/20,789.14 = 4,000.48/x
  3. Step 3: Cross multiply
    13,863.54x = 20,789.14 × 4,000.48
  4. Step 4: Simplify right side
    13,863.54x = 83,166,538.79
  5. Step 5: Solve for x
    x = 83,166,538.79/13,863.54
  6. Step 6: Final answer
    x = 5,998.94

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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.