Home / 12,274.92-18,415.14-6,725.43

Finding the Fourth Proportional to 12,274.92, 18,415.14 and 6,725.43

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Solution

The fourth proportional to 12,274.92, 18,415.14 and 6,725.43 is: 10,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274.92 : 18,415.14 = 6,725.43 : x
  2. Step 2: Convert to fraction form
    12,274.92/18,415.14 = 6,725.43/x
  3. Step 3: Cross multiply
    12,274.92x = 18,415.14 × 6,725.43
  4. Step 4: Simplify right side
    12,274.92x = 123,849,735.01
  5. Step 5: Solve for x
    x = 123,849,735.01/12,274.92
  6. Step 6: Final answer
    x = 10,089.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.