Home / 11,269.08-16,905.24-3,478.56

Finding the Fourth Proportional to 11,269.08, 16,905.24 and 3,478.56

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Solution

The fourth proportional to 11,269.08, 16,905.24 and 3,478.56 is: 5,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.08 : 16,905.24 = 3,478.56 : x
  2. Step 2: Convert to fraction form
    11,269.08/16,905.24 = 3,478.56/x
  3. Step 3: Cross multiply
    11,269.08x = 16,905.24 × 3,478.56
  4. Step 4: Simplify right side
    11,269.08x = 58,805,891.65
  5. Step 5: Solve for x
    x = 58,805,891.65/11,269.08
  6. Step 6: Final answer
    x = 5,218.34

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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.