Home / 18,653.43-25,733.57-12,271.82

Finding the Fourth Proportional to 18,653.43, 25,733.57 and 12,271.82

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Solution

The fourth proportional to 18,653.43, 25,733.57 and 12,271.82 is: 16,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.43 : 25,733.57 = 12,271.82 : x
  2. Step 2: Convert to fraction form
    18,653.43/25,733.57 = 12,271.82/x
  3. Step 3: Cross multiply
    18,653.43x = 25,733.57 × 12,271.82
  4. Step 4: Simplify right side
    18,653.43x = 315,797,548.97
  5. Step 5: Solve for x
    x = 315,797,548.97/18,653.43
  6. Step 6: Final answer
    x = 16,929.73

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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.