Home / 13,844.28-19,106.93-7,874.79

Finding the Fourth Proportional to 13,844.28, 19,106.93 and 7,874.79

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Solution

The fourth proportional to 13,844.28, 19,106.93 and 7,874.79 is: 10,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.28 : 19,106.93 = 7,874.79 : x
  2. Step 2: Convert to fraction form
    13,844.28/19,106.93 = 7,874.79/x
  3. Step 3: Cross multiply
    13,844.28x = 19,106.93 × 7,874.79
  4. Step 4: Simplify right side
    13,844.28x = 150,463,021.92
  5. Step 5: Solve for x
    x = 150,463,021.92/13,844.28
  6. Step 6: Final answer
    x = 10,868.25

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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.