Home / 12,797.38-19,199.54-3,912.47

Finding the Fourth Proportional to 12,797.38, 19,199.54 and 3,912.47

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Solution

The fourth proportional to 12,797.38, 19,199.54 and 3,912.47 is: 5,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797.38 : 19,199.54 = 3,912.47 : x
  2. Step 2: Convert to fraction form
    12,797.38/19,199.54 = 3,912.47/x
  3. Step 3: Cross multiply
    12,797.38x = 19,199.54 × 3,912.47
  4. Step 4: Simplify right side
    12,797.38x = 75,117,624.26
  5. Step 5: Solve for x
    x = 75,117,624.26/12,797.38
  6. Step 6: Final answer
    x = 5,869.77

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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.