Home / 13,912.36-19,198.52-7,624.73

Finding the Fourth Proportional to 13,912.36, 19,198.52 and 7,624.73

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Solution

The fourth proportional to 13,912.36, 19,198.52 and 7,624.73 is: 10,521.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.36 : 19,198.52 = 7,624.73 : x
  2. Step 2: Convert to fraction form
    13,912.36/19,198.52 = 7,624.73/x
  3. Step 3: Cross multiply
    13,912.36x = 19,198.52 × 7,624.73
  4. Step 4: Simplify right side
    13,912.36x = 146,383,569.86
  5. Step 5: Solve for x
    x = 146,383,569.86/13,912.36
  6. Step 6: Final answer
    x = 10,521.84

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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.