Home / 13,207.56-19,812-3,346.92

Finding the Fourth Proportional to 13,207.56, 19,812 and 3,346.92

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Solution

The fourth proportional to 13,207.56, 19,812 and 3,346.92 is: 5,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.56 : 19,812 = 3,346.92 : x
  2. Step 2: Convert to fraction form
    13,207.56/19,812 = 3,346.92/x
  3. Step 3: Cross multiply
    13,207.56x = 19,812 × 3,346.92
  4. Step 4: Simplify right side
    13,207.56x = 66,309,179.04
  5. Step 5: Solve for x
    x = 66,309,179.04/13,207.56
  6. Step 6: Final answer
    x = 5,020.55

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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.