Home / 11,677.87-16,115.40-6,372.69

Finding the Fourth Proportional to 11,677.87, 16,115.40 and 6,372.69

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Solution

The fourth proportional to 11,677.87, 16,115.40 and 6,372.69 is: 8,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,677.87 : 16,115.40 = 6,372.69 : x
  2. Step 2: Convert to fraction form
    11,677.87/16,115.40 = 6,372.69/x
  3. Step 3: Cross multiply
    11,677.87x = 16,115.40 × 6,372.69
  4. Step 4: Simplify right side
    11,677.87x = 102,698,448.43
  5. Step 5: Solve for x
    x = 102,698,448.43/11,677.87
  6. Step 6: Final answer
    x = 8,794.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.