Home / 13,179.48-19,769.38-4,414.42

Finding the Fourth Proportional to 13,179.48, 19,769.38 and 4,414.42

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Solution

The fourth proportional to 13,179.48, 19,769.38 and 4,414.42 is: 6,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.48 : 19,769.38 = 4,414.42 : x
  2. Step 2: Convert to fraction form
    13,179.48/19,769.38 = 4,414.42/x
  3. Step 3: Cross multiply
    13,179.48x = 19,769.38 × 4,414.42
  4. Step 4: Simplify right side
    13,179.48x = 87,270,346.46
  5. Step 5: Solve for x
    x = 87,270,346.46/13,179.48
  6. Step 6: Final answer
    x = 6,621.68

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1.5x scale

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.