Home / 14,132.27-21,202.66-8,516.04

Finding the Fourth Proportional to 14,132.27, 21,202.66 and 8,516.04

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Solution

The fourth proportional to 14,132.27, 21,202.66 and 8,516.04 is: 12,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.27 : 21,202.66 = 8,516.04 : x
  2. Step 2: Convert to fraction form
    14,132.27/21,202.66 = 8,516.04/x
  3. Step 3: Cross multiply
    14,132.27x = 21,202.66 × 8,516.04
  4. Step 4: Simplify right side
    14,132.27x = 180,562,631.80
  5. Step 5: Solve for x
    x = 180,562,631.80/14,132.27
  6. Step 6: Final answer
    x = 12,776.62

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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.