Home / 13,819.53-20,733.36-4,459.37

Finding the Fourth Proportional to 13,819.53, 20,733.36 and 4,459.37

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Solution

The fourth proportional to 13,819.53, 20,733.36 and 4,459.37 is: 6,690.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.53 : 20,733.36 = 4,459.37 : x
  2. Step 2: Convert to fraction form
    13,819.53/20,733.36 = 4,459.37/x
  3. Step 3: Cross multiply
    13,819.53x = 20,733.36 × 4,459.37
  4. Step 4: Simplify right side
    13,819.53x = 92,457,744.90
  5. Step 5: Solve for x
    x = 92,457,744.90/13,819.53
  6. Step 6: Final answer
    x = 6,690.37

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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.