Home / 13,031.82-19,550.70-4,266.54

Finding the Fourth Proportional to 13,031.82, 19,550.70 and 4,266.54

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Solution

The fourth proportional to 13,031.82, 19,550.70 and 4,266.54 is: 6,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.82 : 19,550.70 = 4,266.54 : x
  2. Step 2: Convert to fraction form
    13,031.82/19,550.70 = 4,266.54/x
  3. Step 3: Cross multiply
    13,031.82x = 19,550.70 × 4,266.54
  4. Step 4: Simplify right side
    13,031.82x = 83,413,843.58
  5. Step 5: Solve for x
    x = 83,413,843.58/13,031.82
  6. Step 6: Final answer
    x = 6,400.78

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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.