Home / 11,910.64-16,436.66-6,605.32

Finding the Fourth Proportional to 11,910.64, 16,436.66 and 6,605.32

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Solution

The fourth proportional to 11,910.64, 16,436.66 and 6,605.32 is: 9,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.64 : 16,436.66 = 6,605.32 : x
  2. Step 2: Convert to fraction form
    11,910.64/16,436.66 = 6,605.32/x
  3. Step 3: Cross multiply
    11,910.64x = 16,436.66 × 6,605.32
  4. Step 4: Simplify right side
    11,910.64x = 108,569,399.03
  5. Step 5: Solve for x
    x = 108,569,399.03/11,910.64
  6. Step 6: Final answer
    x = 9,115.33

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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.