Home / 14,132.82-21,184.44-4,769.61

Finding the Fourth Proportional to 14,132.82, 21,184.44 and 4,769.61

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Solution

The fourth proportional to 14,132.82, 21,184.44 and 4,769.61 is: 7,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.82 : 21,184.44 = 4,769.61 : x
  2. Step 2: Convert to fraction form
    14,132.82/21,184.44 = 4,769.61/x
  3. Step 3: Cross multiply
    14,132.82x = 21,184.44 × 4,769.61
  4. Step 4: Simplify right side
    14,132.82x = 101,041,516.87
  5. Step 5: Solve for x
    x = 101,041,516.87/14,132.82
  6. Step 6: Final answer
    x = 7,149.42

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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.