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Finding the Fourth Proportional to 17,838.26, 24,617 and 9,880.61

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Solution

The fourth proportional to 17,838.26, 24,617 and 9,880.61 is: 13,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.26 : 24,617 = 9,880.61 : x
  2. Step 2: Convert to fraction form
    17,838.26/24,617 = 9,880.61/x
  3. Step 3: Cross multiply
    17,838.26x = 24,617 × 9,880.61
  4. Step 4: Simplify right side
    17,838.26x = 243,230,976.37
  5. Step 5: Solve for x
    x = 243,230,976.37/17,838.26
  6. Step 6: Final answer
    x = 13,635.35

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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.