Home / 13,214.60-19,819.98-3,852.11

Finding the Fourth Proportional to 13,214.60, 19,819.98 and 3,852.11

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Solution

The fourth proportional to 13,214.60, 19,819.98 and 3,852.11 is: 5,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.60 : 19,819.98 = 3,852.11 : x
  2. Step 2: Convert to fraction form
    13,214.60/19,819.98 = 3,852.11/x
  3. Step 3: Cross multiply
    13,214.60x = 19,819.98 × 3,852.11
  4. Step 4: Simplify right side
    13,214.60x = 76,348,743.16
  5. Step 5: Solve for x
    x = 76,348,743.16/13,214.60
  6. Step 6: Final answer
    x = 5,777.61

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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.