Home / 14,537.56-21,791.76-12,787.96

Finding the Fourth Proportional to 14,537.56, 21,791.76 and 12,787.96

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Solution

The fourth proportional to 14,537.56, 21,791.76 and 12,787.96 is: 19,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,537.56 : 21,791.76 = 12,787.96 : x
  2. Step 2: Convert to fraction form
    14,537.56/21,791.76 = 12,787.96/x
  3. Step 3: Cross multiply
    14,537.56x = 21,791.76 × 12,787.96
  4. Step 4: Simplify right side
    14,537.56x = 278,672,155.21
  5. Step 5: Solve for x
    x = 278,672,155.21/14,537.56
  6. Step 6: Final answer
    x = 19,169.11

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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.