Home / 12,588.92-18,882.56-3,823.91

Finding the Fourth Proportional to 12,588.92, 18,882.56 and 3,823.91

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Solution

The fourth proportional to 12,588.92, 18,882.56 and 3,823.91 is: 5,735.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.92 : 18,882.56 = 3,823.91 : x
  2. Step 2: Convert to fraction form
    12,588.92/18,882.56 = 3,823.91/x
  3. Step 3: Cross multiply
    12,588.92x = 18,882.56 × 3,823.91
  4. Step 4: Simplify right side
    12,588.92x = 72,205,115.60
  5. Step 5: Solve for x
    x = 72,205,115.60/12,588.92
  6. Step 6: Final answer
    x = 5,735.61

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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.