Home / 13,844.03-19,106.58-7,874.54

Finding the Fourth Proportional to 13,844.03, 19,106.58 and 7,874.54

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Solution

The fourth proportional to 13,844.03, 19,106.58 and 7,874.54 is: 10,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.03 : 19,106.58 = 7,874.54 : x
  2. Step 2: Convert to fraction form
    13,844.03/19,106.58 = 7,874.54/x
  3. Step 3: Cross multiply
    13,844.03x = 19,106.58 × 7,874.54
  4. Step 4: Simplify right side
    13,844.03x = 150,455,528.47
  5. Step 5: Solve for x
    x = 150,455,528.47/13,844.03
  6. Step 6: Final answer
    x = 10,867.90

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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.