Home / 11,259.92-16,890.23-3,864.29

Finding the Fourth Proportional to 11,259.92, 16,890.23 and 3,864.29

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Solution

The fourth proportional to 11,259.92, 16,890.23 and 3,864.29 is: 5,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.92 : 16,890.23 = 3,864.29 : x
  2. Step 2: Convert to fraction form
    11,259.92/16,890.23 = 3,864.29/x
  3. Step 3: Cross multiply
    11,259.92x = 16,890.23 × 3,864.29
  4. Step 4: Simplify right side
    11,259.92x = 65,268,662.44
  5. Step 5: Solve for x
    x = 65,268,662.44/11,259.92
  6. Step 6: Final answer
    x = 5,796.55

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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.