Home / 14,511.56-21,767.34-4,121.96

Finding the Fourth Proportional to 14,511.56, 21,767.34 and 4,121.96

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Solution

The fourth proportional to 14,511.56, 21,767.34 and 4,121.96 is: 6,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.56 : 21,767.34 = 4,121.96 : x
  2. Step 2: Convert to fraction form
    14,511.56/21,767.34 = 4,121.96/x
  3. Step 3: Cross multiply
    14,511.56x = 21,767.34 × 4,121.96
  4. Step 4: Simplify right side
    14,511.56x = 89,724,104.79
  5. Step 5: Solve for x
    x = 89,724,104.79/14,511.56
  6. Step 6: Final answer
    x = 6,182.94

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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.