Home / 13,912.44-19,199.50-7,944.66

Finding the Fourth Proportional to 13,912.44, 19,199.50 and 7,944.66

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Solution

The fourth proportional to 13,912.44, 19,199.50 and 7,944.66 is: 10,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.44 : 19,199.50 = 7,944.66 : x
  2. Step 2: Convert to fraction form
    13,912.44/19,199.50 = 7,944.66/x
  3. Step 3: Cross multiply
    13,912.44x = 19,199.50 × 7,944.66
  4. Step 4: Simplify right side
    13,912.44x = 152,533,479.81
  5. Step 5: Solve for x
    x = 152,533,479.81/13,912.44
  6. Step 6: Final answer
    x = 10,963.82

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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.