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Finding the Fourth Proportional to 10,847.67, 16,269.67 and 4,275.73

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Solution

The fourth proportional to 10,847.67, 16,269.67 and 4,275.73 is: 6,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.67 : 16,269.67 = 4,275.73 : x
  2. Step 2: Convert to fraction form
    10,847.67/16,269.67 = 4,275.73/x
  3. Step 3: Cross multiply
    10,847.67x = 16,269.67 × 4,275.73
  4. Step 4: Simplify right side
    10,847.67x = 69,564,716.11
  5. Step 5: Solve for x
    x = 69,564,716.11/10,847.67
  6. Step 6: Final answer
    x = 6,412.87

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1.5x scale

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.