Home / 8,443.14-12,633.66-5,269.56

Finding the Fourth Proportional to 8,443.14, 12,633.66 and 5,269.56

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Solution

The fourth proportional to 8,443.14, 12,633.66 and 5,269.56 is: 7,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.14 : 12,633.66 = 5,269.56 : x
  2. Step 2: Convert to fraction form
    8,443.14/12,633.66 = 5,269.56/x
  3. Step 3: Cross multiply
    8,443.14x = 12,633.66 × 5,269.56
  4. Step 4: Simplify right side
    8,443.14x = 66,573,829.39
  5. Step 5: Solve for x
    x = 66,573,829.39/8,443.14
  6. Step 6: Final answer
    x = 7,884.96

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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.