Home / 11,081.64-16,622.67-3,686.16

Finding the Fourth Proportional to 11,081.64, 16,622.67 and 3,686.16

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Solution

The fourth proportional to 11,081.64, 16,622.67 and 3,686.16 is: 5,529.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,081.64 : 16,622.67 = 3,686.16 : x
  2. Step 2: Convert to fraction form
    11,081.64/16,622.67 = 3,686.16/x
  3. Step 3: Cross multiply
    11,081.64x = 16,622.67 × 3,686.16
  4. Step 4: Simplify right side
    11,081.64x = 61,273,821.25
  5. Step 5: Solve for x
    x = 61,273,821.25/11,081.64
  6. Step 6: Final answer
    x = 5,529.31

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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.