Home / 12,091.92-16,686-6,787.50

Finding the Fourth Proportional to 12,091.92, 16,686 and 6,787.50

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Solution

The fourth proportional to 12,091.92, 16,686 and 6,787.50 is: 9,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,091.92 : 16,686 = 6,787.50 : x
  2. Step 2: Convert to fraction form
    12,091.92/16,686 = 6,787.50/x
  3. Step 3: Cross multiply
    12,091.92x = 16,686 × 6,787.50
  4. Step 4: Simplify right side
    12,091.92x = 113,256,225
  5. Step 5: Solve for x
    x = 113,256,225/12,091.92
  6. Step 6: Final answer
    x = 9,366.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.