Home / 15,917.34-21,966.66-8,843.79

Finding the Fourth Proportional to 15,917.34, 21,966.66 and 8,843.79

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Solution

The fourth proportional to 15,917.34, 21,966.66 and 8,843.79 is: 12,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.34 : 21,966.66 = 8,843.79 : x
  2. Step 2: Convert to fraction form
    15,917.34/21,966.66 = 8,843.79/x
  3. Step 3: Cross multiply
    15,917.34x = 21,966.66 × 8,843.79
  4. Step 4: Simplify right side
    15,917.34x = 194,268,528.04
  5. Step 5: Solve for x
    x = 194,268,528.04/15,917.34
  6. Step 6: Final answer
    x = 12,204.84

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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.