Home / 13,178.67-19,773.27-5,787.42

Finding the Fourth Proportional to 13,178.67, 19,773.27 and 5,787.42

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Solution

The fourth proportional to 13,178.67, 19,773.27 and 5,787.42 is: 8,683.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.67 : 19,773.27 = 5,787.42 : x
  2. Step 2: Convert to fraction form
    13,178.67/19,773.27 = 5,787.42/x
  3. Step 3: Cross multiply
    13,178.67x = 19,773.27 × 5,787.42
  4. Step 4: Simplify right side
    13,178.67x = 114,436,218.26
  5. Step 5: Solve for x
    x = 114,436,218.26/13,178.67
  6. Step 6: Final answer
    x = 8,683.44

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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.