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Finding the Fourth Proportional to 14,402, 21,609.52 and 8,246

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Solution

The fourth proportional to 14,402, 21,609.52 and 8,246 is: 12,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402 : 21,609.52 = 8,246 : x
  2. Step 2: Convert to fraction form
    14,402/21,609.52 = 8,246/x
  3. Step 3: Cross multiply
    14,402x = 21,609.52 × 8,246
  4. Step 4: Simplify right side
    14,402x = 178,192,101.92
  5. Step 5: Solve for x
    x = 178,192,101.92/14,402
  6. Step 6: Final answer
    x = 12,372.73

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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.