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Finding the Fourth Proportional to 18,062.94, 24,926.64 and 10,105.14

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Solution

The fourth proportional to 18,062.94, 24,926.64 and 10,105.14 is: 13,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,062.94 : 24,926.64 = 10,105.14 : x
  2. Step 2: Convert to fraction form
    18,062.94/24,926.64 = 10,105.14/x
  3. Step 3: Cross multiply
    18,062.94x = 24,926.64 × 10,105.14
  4. Step 4: Simplify right side
    18,062.94x = 251,887,186.93
  5. Step 5: Solve for x
    x = 251,887,186.93/18,062.94
  6. Step 6: Final answer
    x = 13,944.97

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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.