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Finding the Fourth Proportional to 18,466.94, 25,483.20 and 10,083.44

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Solution

The fourth proportional to 18,466.94, 25,483.20 and 10,083.44 is: 13,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.94 : 25,483.20 = 10,083.44 : x
  2. Step 2: Convert to fraction form
    18,466.94/25,483.20 = 10,083.44/x
  3. Step 3: Cross multiply
    18,466.94x = 25,483.20 × 10,083.44
  4. Step 4: Simplify right side
    18,466.94x = 256,958,318.21
  5. Step 5: Solve for x
    x = 256,958,318.21/18,466.94
  6. Step 6: Final answer
    x = 13,914.50

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1.5x scale

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.