Home / 12,826.68-19,228.60-6,906.79

Finding the Fourth Proportional to 12,826.68, 19,228.60 and 6,906.79

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Solution

The fourth proportional to 12,826.68, 19,228.60 and 6,906.79 is: 10,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.68 : 19,228.60 = 6,906.79 : x
  2. Step 2: Convert to fraction form
    12,826.68/19,228.60 = 6,906.79/x
  3. Step 3: Cross multiply
    12,826.68x = 19,228.60 × 6,906.79
  4. Step 4: Simplify right side
    12,826.68x = 132,807,902.19
  5. Step 5: Solve for x
    x = 132,807,902.19/12,826.68
  6. Step 6: Final answer
    x = 10,354.04

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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.