Home / 13,819.41-20,732.07-4,459.96

Finding the Fourth Proportional to 13,819.41, 20,732.07 and 4,459.96

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Solution

The fourth proportional to 13,819.41, 20,732.07 and 4,459.96 is: 6,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.41 : 20,732.07 = 4,459.96 : x
  2. Step 2: Convert to fraction form
    13,819.41/20,732.07 = 4,459.96/x
  3. Step 3: Cross multiply
    13,819.41x = 20,732.07 × 4,459.96
  4. Step 4: Simplify right side
    13,819.41x = 92,464,202.92
  5. Step 5: Solve for x
    x = 92,464,202.92/13,819.41
  6. Step 6: Final answer
    x = 6,690.89

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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.