Home / 11,930.53-16,464.87-6,895.66

Finding the Fourth Proportional to 11,930.53, 16,464.87 and 6,895.66

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Solution

The fourth proportional to 11,930.53, 16,464.87 and 6,895.66 is: 9,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.53 : 16,464.87 = 6,895.66 : x
  2. Step 2: Convert to fraction form
    11,930.53/16,464.87 = 6,895.66/x
  3. Step 3: Cross multiply
    11,930.53x = 16,464.87 × 6,895.66
  4. Step 4: Simplify right side
    11,930.53x = 113,536,145.46
  5. Step 5: Solve for x
    x = 113,536,145.46/11,930.53
  6. Step 6: Final answer
    x = 9,516.44

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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.