Home / 12,414.83-18,618.28-4,093.29

Finding the Fourth Proportional to 12,414.83, 18,618.28 and 4,093.29

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Solution

The fourth proportional to 12,414.83, 18,618.28 and 4,093.29 is: 6,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,414.83 : 18,618.28 = 4,093.29 : x
  2. Step 2: Convert to fraction form
    12,414.83/18,618.28 = 4,093.29/x
  3. Step 3: Cross multiply
    12,414.83x = 18,618.28 × 4,093.29
  4. Step 4: Simplify right side
    12,414.83x = 76,210,055.65
  5. Step 5: Solve for x
    x = 76,210,055.65/12,414.83
  6. Step 6: Final answer
    x = 6,138.63

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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.