Home / 9,726.27-13,423.44-6,369.90

Finding the Fourth Proportional to 9,726.27, 13,423.44 and 6,369.90

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Solution

The fourth proportional to 9,726.27, 13,423.44 and 6,369.90 is: 8,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.27 : 13,423.44 = 6,369.90 : x
  2. Step 2: Convert to fraction form
    9,726.27/13,423.44 = 6,369.90/x
  3. Step 3: Cross multiply
    9,726.27x = 13,423.44 × 6,369.90
  4. Step 4: Simplify right side
    9,726.27x = 85,505,970.46
  5. Step 5: Solve for x
    x = 85,505,970.46/9,726.27
  6. Step 6: Final answer
    x = 8,791.24

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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.