Home / 11,787.14-17,683.68-4,391.84

Finding the Fourth Proportional to 11,787.14, 17,683.68 and 4,391.84

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Solution

The fourth proportional to 11,787.14, 17,683.68 and 4,391.84 is: 6,588.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.14 : 17,683.68 = 4,391.84 : x
  2. Step 2: Convert to fraction form
    11,787.14/17,683.68 = 4,391.84/x
  3. Step 3: Cross multiply
    11,787.14x = 17,683.68 × 4,391.84
  4. Step 4: Simplify right side
    11,787.14x = 77,663,893.17
  5. Step 5: Solve for x
    x = 77,663,893.17/11,787.14
  6. Step 6: Final answer
    x = 6,588.87

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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.