Home / 15,674.97-21,633.36-8,960.88

Finding the Fourth Proportional to 15,674.97, 21,633.36 and 8,960.88

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Solution

The fourth proportional to 15,674.97, 21,633.36 and 8,960.88 is: 12,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,674.97 : 21,633.36 = 8,960.88 : x
  2. Step 2: Convert to fraction form
    15,674.97/21,633.36 = 8,960.88/x
  3. Step 3: Cross multiply
    15,674.97x = 21,633.36 × 8,960.88
  4. Step 4: Simplify right side
    15,674.97x = 193,853,942.96
  5. Step 5: Solve for x
    x = 193,853,942.96/15,674.97
  6. Step 6: Final answer
    x = 12,367.10

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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.