Home / 12,760.20-19,099.26-6,822.27

Finding the Fourth Proportional to 12,760.20, 19,099.26 and 6,822.27

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Solution

The fourth proportional to 12,760.20, 19,099.26 and 6,822.27 is: 10,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.20 : 19,099.26 = 6,822.27 : x
  2. Step 2: Convert to fraction form
    12,760.20/19,099.26 = 6,822.27/x
  3. Step 3: Cross multiply
    12,760.20x = 19,099.26 × 6,822.27
  4. Step 4: Simplify right side
    12,760.20x = 130,300,308.52
  5. Step 5: Solve for x
    x = 130,300,308.52/12,760.20
  6. Step 6: Final answer
    x = 10,211.46

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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.