Home / 12,825.68-19,227.11-6,905.79

Finding the Fourth Proportional to 12,825.68, 19,227.11 and 6,905.79

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Solution

The fourth proportional to 12,825.68, 19,227.11 and 6,905.79 is: 10,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.68 : 19,227.11 = 6,905.79 : x
  2. Step 2: Convert to fraction form
    12,825.68/19,227.11 = 6,905.79/x
  3. Step 3: Cross multiply
    12,825.68x = 19,227.11 × 6,905.79
  4. Step 4: Simplify right side
    12,825.68x = 132,778,349.44
  5. Step 5: Solve for x
    x = 132,778,349.44/12,825.68
  6. Step 6: Final answer
    x = 10,352.54

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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.