Home / 13,212.73-19,819.10-4,446.91

Finding the Fourth Proportional to 13,212.73, 19,819.10 and 4,446.91

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Solution

The fourth proportional to 13,212.73, 19,819.10 and 4,446.91 is: 6,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.73 : 19,819.10 = 4,446.91 : x
  2. Step 2: Convert to fraction form
    13,212.73/19,819.10 = 4,446.91/x
  3. Step 3: Cross multiply
    13,212.73x = 19,819.10 × 4,446.91
  4. Step 4: Simplify right side
    13,212.73x = 88,133,753.98
  5. Step 5: Solve for x
    x = 88,133,753.98/13,212.73
  6. Step 6: Final answer
    x = 6,670.37

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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.