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Finding the Fourth Proportional to 18,600.52, 25,668.90 and 10,217.02

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Solution

The fourth proportional to 18,600.52, 25,668.90 and 10,217.02 is: 14,099.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.52 : 25,668.90 = 10,217.02 : x
  2. Step 2: Convert to fraction form
    18,600.52/25,668.90 = 10,217.02/x
  3. Step 3: Cross multiply
    18,600.52x = 25,668.90 × 10,217.02
  4. Step 4: Simplify right side
    18,600.52x = 262,259,664.68
  5. Step 5: Solve for x
    x = 262,259,664.68/18,600.52
  6. Step 6: Final answer
    x = 14,099.59

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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.