Home / 9,917.66-13,686.26-5,441.19

Finding the Fourth Proportional to 9,917.66, 13,686.26 and 5,441.19

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Solution

The fourth proportional to 9,917.66, 13,686.26 and 5,441.19 is: 7,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.66 : 13,686.26 = 5,441.19 : x
  2. Step 2: Convert to fraction form
    9,917.66/13,686.26 = 5,441.19/x
  3. Step 3: Cross multiply
    9,917.66x = 13,686.26 × 5,441.19
  4. Step 4: Simplify right side
    9,917.66x = 74,469,513.84
  5. Step 5: Solve for x
    x = 74,469,513.84/9,917.66
  6. Step 6: Final answer
    x = 7,508.78

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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.