Home / 21,467.05-29,624.10-11,907.61

Finding the Fourth Proportional to 21,467.05, 29,624.10 and 11,907.61

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Solution

The fourth proportional to 21,467.05, 29,624.10 and 11,907.61 is: 16,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.05 : 29,624.10 = 11,907.61 : x
  2. Step 2: Convert to fraction form
    21,467.05/29,624.10 = 11,907.61/x
  3. Step 3: Cross multiply
    21,467.05x = 29,624.10 × 11,907.61
  4. Step 4: Simplify right side
    21,467.05x = 352,752,229.40
  5. Step 5: Solve for x
    x = 352,752,229.40/21,467.05
  6. Step 6: Final answer
    x = 16,432.26

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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.