Home / 13,727.21-20,590.59-4,367.09

Finding the Fourth Proportional to 13,727.21, 20,590.59 and 4,367.09

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Solution

The fourth proportional to 13,727.21, 20,590.59 and 4,367.09 is: 6,550.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.21 : 20,590.59 = 4,367.09 : x
  2. Step 2: Convert to fraction form
    13,727.21/20,590.59 = 4,367.09/x
  3. Step 3: Cross multiply
    13,727.21x = 20,590.59 × 4,367.09
  4. Step 4: Simplify right side
    13,727.21x = 89,920,856.73
  5. Step 5: Solve for x
    x = 89,920,856.73/13,727.21
  6. Step 6: Final answer
    x = 6,550.56

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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.