Home / 12,826.26-19,217.49-6,972.42

Finding the Fourth Proportional to 12,826.26, 19,217.49 and 6,972.42

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Solution

The fourth proportional to 12,826.26, 19,217.49 and 6,972.42 is: 10,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826.26 : 19,217.49 = 6,972.42 : x
  2. Step 2: Convert to fraction form
    12,826.26/19,217.49 = 6,972.42/x
  3. Step 3: Cross multiply
    12,826.26x = 19,217.49 × 6,972.42
  4. Step 4: Simplify right side
    12,826.26x = 133,992,411.63
  5. Step 5: Solve for x
    x = 133,992,411.63/12,826.26
  6. Step 6: Final answer
    x = 10,446.73

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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.