Home / 11,191.56-16,787.25-4,171.35

Finding the Fourth Proportional to 11,191.56, 16,787.25 and 4,171.35

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Solution

The fourth proportional to 11,191.56, 16,787.25 and 4,171.35 is: 6,256.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.56 : 16,787.25 = 4,171.35 : x
  2. Step 2: Convert to fraction form
    11,191.56/16,787.25 = 4,171.35/x
  3. Step 3: Cross multiply
    11,191.56x = 16,787.25 × 4,171.35
  4. Step 4: Simplify right side
    11,191.56x = 70,025,495.29
  5. Step 5: Solve for x
    x = 70,025,495.29/11,191.56
  6. Step 6: Final answer
    x = 6,256.99

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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.