Home / 11,781.42-16,257.44-6,475.92

Finding the Fourth Proportional to 11,781.42, 16,257.44 and 6,475.92

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Solution

The fourth proportional to 11,781.42, 16,257.44 and 6,475.92 is: 8,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.42 : 16,257.44 = 6,475.92 : x
  2. Step 2: Convert to fraction form
    11,781.42/16,257.44 = 6,475.92/x
  3. Step 3: Cross multiply
    11,781.42x = 16,257.44 × 6,475.92
  4. Step 4: Simplify right side
    11,781.42x = 105,281,880.84
  5. Step 5: Solve for x
    x = 105,281,880.84/11,781.42
  6. Step 6: Final answer
    x = 8,936.26

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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.