Home / 18,932.47-26,126.47-10,318.73

Finding the Fourth Proportional to 18,932.47, 26,126.47 and 10,318.73

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Solution

The fourth proportional to 18,932.47, 26,126.47 and 10,318.73 is: 14,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.47 : 26,126.47 = 10,318.73 : x
  2. Step 2: Convert to fraction form
    18,932.47/26,126.47 = 10,318.73/x
  3. Step 3: Cross multiply
    18,932.47x = 26,126.47 × 10,318.73
  4. Step 4: Simplify right side
    18,932.47x = 269,591,989.78
  5. Step 5: Solve for x
    x = 269,591,989.78/18,932.47
  6. Step 6: Final answer
    x = 14,239.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.