Home / 11,397.92-17,063.77-6,639.57

Finding the Fourth Proportional to 11,397.92, 17,063.77 and 6,639.57

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Solution

The fourth proportional to 11,397.92, 17,063.77 and 6,639.57 is: 9,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,397.92 : 17,063.77 = 6,639.57 : x
  2. Step 2: Convert to fraction form
    11,397.92/17,063.77 = 6,639.57/x
  3. Step 3: Cross multiply
    11,397.92x = 17,063.77 × 6,639.57
  4. Step 4: Simplify right side
    11,397.92x = 113,296,095.38
  5. Step 5: Solve for x
    x = 113,296,095.38/11,397.92
  6. Step 6: Final answer
    x = 9,940.07

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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.