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Finding the Fourth Proportional to 12,134.67, 16,744.55 and 6,829.39

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Solution

The fourth proportional to 12,134.67, 16,744.55 and 6,829.39 is: 9,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.67 : 16,744.55 = 6,829.39 : x
  2. Step 2: Convert to fraction form
    12,134.67/16,744.55 = 6,829.39/x
  3. Step 3: Cross multiply
    12,134.67x = 16,744.55 × 6,829.39
  4. Step 4: Simplify right side
    12,134.67x = 114,355,087.52
  5. Step 5: Solve for x
    x = 114,355,087.52/12,134.67
  6. Step 6: Final answer
    x = 9,423.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.