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Finding the Fourth Proportional to 18,410.68, 25,406.58 and 10,027

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Solution

The fourth proportional to 18,410.68, 25,406.58 and 10,027 is: 13,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.68 : 25,406.58 = 10,027 : x
  2. Step 2: Convert to fraction form
    18,410.68/25,406.58 = 10,027/x
  3. Step 3: Cross multiply
    18,410.68x = 25,406.58 × 10,027
  4. Step 4: Simplify right side
    18,410.68x = 254,751,777.66
  5. Step 5: Solve for x
    x = 254,751,777.66/18,410.68
  6. Step 6: Final answer
    x = 13,837.17

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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.