Home / 8,936.69-13,411.51-6,286.77

Finding the Fourth Proportional to 8,936.69, 13,411.51 and 6,286.77

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Solution

The fourth proportional to 8,936.69, 13,411.51 and 6,286.77 is: 9,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.69 : 13,411.51 = 6,286.77 : x
  2. Step 2: Convert to fraction form
    8,936.69/13,411.51 = 6,286.77/x
  3. Step 3: Cross multiply
    8,936.69x = 13,411.51 × 6,286.77
  4. Step 4: Simplify right side
    8,936.69x = 84,315,063.01
  5. Step 5: Solve for x
    x = 84,315,063.01/8,936.69
  6. Step 6: Final answer
    x = 9,434.71

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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.