Home / 17,847-24,618.60-11,129.40

Finding the Fourth Proportional to 17,847, 24,618.60 and 11,129.40

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Solution

The fourth proportional to 17,847, 24,618.60 and 11,129.40 is: 15,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,847 : 24,618.60 = 11,129.40 : x
  2. Step 2: Convert to fraction form
    17,847/24,618.60 = 11,129.40/x
  3. Step 3: Cross multiply
    17,847x = 24,618.60 × 11,129.40
  4. Step 4: Simplify right side
    17,847x = 273,990,246.84
  5. Step 5: Solve for x
    x = 273,990,246.84/17,847
  6. Step 6: Final answer
    x = 15,352.17

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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.