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Finding the Fourth Proportional to 17,762.31, 26,634.83 and 10,369.17

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Solution

The fourth proportional to 17,762.31, 26,634.83 and 10,369.17 is: 15,548.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.31 : 26,634.83 = 10,369.17 : x
  2. Step 2: Convert to fraction form
    17,762.31/26,634.83 = 10,369.17/x
  3. Step 3: Cross multiply
    17,762.31x = 26,634.83 × 10,369.17
  4. Step 4: Simplify right side
    17,762.31x = 276,181,028.35
  5. Step 5: Solve for x
    x = 276,181,028.35/17,762.31
  6. Step 6: Final answer
    x = 15,548.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.