Home / 19,179.62-28,769.50-6,699.56

Finding the Fourth Proportional to 19,179.62, 28,769.50 and 6,699.56

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Solution

The fourth proportional to 19,179.62, 28,769.50 and 6,699.56 is: 10,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.62 : 28,769.50 = 6,699.56 : x
  2. Step 2: Convert to fraction form
    19,179.62/28,769.50 = 6,699.56/x
  3. Step 3: Cross multiply
    19,179.62x = 28,769.50 × 6,699.56
  4. Step 4: Simplify right side
    19,179.62x = 192,742,991.42
  5. Step 5: Solve for x
    x = 192,742,991.42/19,179.62
  6. Step 6: Final answer
    x = 10,049.36

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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.