Home / 13,917.46-19,205.22-7,629.88

Finding the Fourth Proportional to 13,917.46, 19,205.22 and 7,629.88

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Solution

The fourth proportional to 13,917.46, 19,205.22 and 7,629.88 is: 10,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.46 : 19,205.22 = 7,629.88 : x
  2. Step 2: Convert to fraction form
    13,917.46/19,205.22 = 7,629.88/x
  3. Step 3: Cross multiply
    13,917.46x = 19,205.22 × 7,629.88
  4. Step 4: Simplify right side
    13,917.46x = 146,533,523.97
  5. Step 5: Solve for x
    x = 146,533,523.97/13,917.46
  6. Step 6: Final answer
    x = 10,528.75

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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.