Home / 13,729.70-20,594.55-3,867.69

Finding the Fourth Proportional to 13,729.70, 20,594.55 and 3,867.69

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Solution

The fourth proportional to 13,729.70, 20,594.55 and 3,867.69 is: 5,801.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.70 : 20,594.55 = 3,867.69 : x
  2. Step 2: Convert to fraction form
    13,729.70/20,594.55 = 3,867.69/x
  3. Step 3: Cross multiply
    13,729.70x = 20,594.55 × 3,867.69
  4. Step 4: Simplify right side
    13,729.70x = 79,653,335.09
  5. Step 5: Solve for x
    x = 79,653,335.09/13,729.70
  6. Step 6: Final answer
    x = 5,801.54

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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.