Home / 12,929.20-17,828.33-11,797.43

Finding the Fourth Proportional to 12,929.20, 17,828.33 and 11,797.43

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Solution

The fourth proportional to 12,929.20, 17,828.33 and 11,797.43 is: 16,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.20 : 17,828.33 = 11,797.43 : x
  2. Step 2: Convert to fraction form
    12,929.20/17,828.33 = 11,797.43/x
  3. Step 3: Cross multiply
    12,929.20x = 17,828.33 × 11,797.43
  4. Step 4: Simplify right side
    12,929.20x = 210,328,386.05
  5. Step 5: Solve for x
    x = 210,328,386.05/12,929.20
  6. Step 6: Final answer
    x = 16,267.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.