Home / 12,806.34-19,209.60-4,042.14

Finding the Fourth Proportional to 12,806.34, 19,209.60 and 4,042.14

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Solution

The fourth proportional to 12,806.34, 19,209.60 and 4,042.14 is: 6,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806.34 : 19,209.60 = 4,042.14 : x
  2. Step 2: Convert to fraction form
    12,806.34/19,209.60 = 4,042.14/x
  3. Step 3: Cross multiply
    12,806.34x = 19,209.60 × 4,042.14
  4. Step 4: Simplify right side
    12,806.34x = 77,647,892.54
  5. Step 5: Solve for x
    x = 77,647,892.54/12,806.34
  6. Step 6: Final answer
    x = 6,063.24

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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.