Home / 9,639.92-14,435.22-8,540.96

Finding the Fourth Proportional to 9,639.92, 14,435.22 and 8,540.96

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Solution

The fourth proportional to 9,639.92, 14,435.22 and 8,540.96 is: 12,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.92 : 14,435.22 = 8,540.96 : x
  2. Step 2: Convert to fraction form
    9,639.92/14,435.22 = 8,540.96/x
  3. Step 3: Cross multiply
    9,639.92x = 14,435.22 × 8,540.96
  4. Step 4: Simplify right side
    9,639.92x = 123,290,636.61
  5. Step 5: Solve for x
    x = 123,290,636.61/9,639.92
  6. Step 6: Final answer
    x = 12,789.59

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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.