Home / 12,618.06-18,924.62-3,853.86

Finding the Fourth Proportional to 12,618.06, 18,924.62 and 3,853.86

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Solution

The fourth proportional to 12,618.06, 18,924.62 and 3,853.86 is: 5,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,618.06 : 18,924.62 = 3,853.86 : x
  2. Step 2: Convert to fraction form
    12,618.06/18,924.62 = 3,853.86/x
  3. Step 3: Cross multiply
    12,618.06x = 18,924.62 × 3,853.86
  4. Step 4: Simplify right side
    12,618.06x = 72,932,836.03
  5. Step 5: Solve for x
    x = 72,932,836.03/12,618.06
  6. Step 6: Final answer
    x = 5,780.04

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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.