Home / 13,180.34-19,769.04-3,319.62

Finding the Fourth Proportional to 13,180.34, 19,769.04 and 3,319.62

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Solution

The fourth proportional to 13,180.34, 19,769.04 and 3,319.62 is: 4,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.34 : 19,769.04 = 3,319.62 : x
  2. Step 2: Convert to fraction form
    13,180.34/19,769.04 = 3,319.62/x
  3. Step 3: Cross multiply
    13,180.34x = 19,769.04 × 3,319.62
  4. Step 4: Simplify right side
    13,180.34x = 65,625,700.56
  5. Step 5: Solve for x
    x = 65,625,700.56/13,180.34
  6. Step 6: Final answer
    x = 4,979.06

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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.