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Finding the Fourth Proportional to 11,640.30, 16,063.98 and 6,604.26

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Solution

The fourth proportional to 11,640.30, 16,063.98 and 6,604.26 is: 9,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.30 : 16,063.98 = 6,604.26 : x
  2. Step 2: Convert to fraction form
    11,640.30/16,063.98 = 6,604.26/x
  3. Step 3: Cross multiply
    11,640.30x = 16,063.98 × 6,604.26
  4. Step 4: Simplify right side
    11,640.30x = 106,090,700.55
  5. Step 5: Solve for x
    x = 106,090,700.55/11,640.30
  6. Step 6: Final answer
    x = 9,114.09

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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.