Home / 21,467.17-29,624.97-11,907.28

Finding the Fourth Proportional to 21,467.17, 29,624.97 and 11,907.28

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Solution

The fourth proportional to 21,467.17, 29,624.97 and 11,907.28 is: 16,432.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.17 : 29,624.97 = 11,907.28 : x
  2. Step 2: Convert to fraction form
    21,467.17/29,624.97 = 11,907.28/x
  3. Step 3: Cross multiply
    21,467.17x = 29,624.97 × 11,907.28
  4. Step 4: Simplify right side
    21,467.17x = 352,752,812.78
  5. Step 5: Solve for x
    x = 352,752,812.78/21,467.17
  6. Step 6: Final answer
    x = 16,432.20

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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.