Home / 11,269.20-16,883.55-5,412.90

Finding the Fourth Proportional to 11,269.20, 16,883.55 and 5,412.90

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Solution

The fourth proportional to 11,269.20, 16,883.55 and 5,412.90 is: 8,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.20 : 16,883.55 = 5,412.90 : x
  2. Step 2: Convert to fraction form
    11,269.20/16,883.55 = 5,412.90/x
  3. Step 3: Cross multiply
    11,269.20x = 16,883.55 × 5,412.90
  4. Step 4: Simplify right side
    11,269.20x = 91,388,967.80
  5. Step 5: Solve for x
    x = 91,388,967.80/11,269.20
  6. Step 6: Final answer
    x = 8,109.62

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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.