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Finding the Fourth Proportional to 18,906.26, 26,090.63 and 10,524.74

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Solution

The fourth proportional to 18,906.26, 26,090.63 and 10,524.74 is: 14,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.26 : 26,090.63 = 10,524.74 : x
  2. Step 2: Convert to fraction form
    18,906.26/26,090.63 = 10,524.74/x
  3. Step 3: Cross multiply
    18,906.26x = 26,090.63 × 10,524.74
  4. Step 4: Simplify right side
    18,906.26x = 274,597,159.54
  5. Step 5: Solve for x
    x = 274,597,159.54/18,906.26
  6. Step 6: Final answer
    x = 14,524.14

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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.