Home / 13,958.08-19,267.92-8,368

Finding the Fourth Proportional to 13,958.08, 19,267.92 and 8,368

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Solution

The fourth proportional to 13,958.08, 19,267.92 and 8,368 is: 11,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.08 : 19,267.92 = 8,368 : x
  2. Step 2: Convert to fraction form
    13,958.08/19,267.92 = 8,368/x
  3. Step 3: Cross multiply
    13,958.08x = 19,267.92 × 8,368
  4. Step 4: Simplify right side
    13,958.08x = 161,233,954.56
  5. Step 5: Solve for x
    x = 161,233,954.56/13,958.08
  6. Step 6: Final answer
    x = 11,551.30

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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.