Home / 14,309.27-19,747.79-7,936.45

Finding the Fourth Proportional to 14,309.27, 19,747.79 and 7,936.45

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Solution

The fourth proportional to 14,309.27, 19,747.79 and 7,936.45 is: 10,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,309.27 : 19,747.79 = 7,936.45 : x
  2. Step 2: Convert to fraction form
    14,309.27/19,747.79 = 7,936.45/x
  3. Step 3: Cross multiply
    14,309.27x = 19,747.79 × 7,936.45
  4. Step 4: Simplify right side
    14,309.27x = 156,727,318.42
  5. Step 5: Solve for x
    x = 156,727,318.42/14,309.27
  6. Step 6: Final answer
    x = 10,952.85

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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.