Home / 15,917.09-21,966.26-8,843.49

Finding the Fourth Proportional to 15,917.09, 21,966.26 and 8,843.49

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Solution

The fourth proportional to 15,917.09, 21,966.26 and 8,843.49 is: 12,204.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.09 : 21,966.26 = 8,843.49 : x
  2. Step 2: Convert to fraction form
    15,917.09/21,966.26 = 8,843.49/x
  3. Step 3: Cross multiply
    15,917.09x = 21,966.26 × 8,843.49
  4. Step 4: Simplify right side
    15,917.09x = 194,258,356.43
  5. Step 5: Solve for x
    x = 194,258,356.43/15,917.09
  6. Step 6: Final answer
    x = 12,204.39

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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.