Home / 11,089.38-16,621.92-5,470.86

Finding the Fourth Proportional to 11,089.38, 16,621.92 and 5,470.86

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Solution

The fourth proportional to 11,089.38, 16,621.92 and 5,470.86 is: 8,200.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.38 : 16,621.92 = 5,470.86 : x
  2. Step 2: Convert to fraction form
    11,089.38/16,621.92 = 5,470.86/x
  3. Step 3: Cross multiply
    11,089.38x = 16,621.92 × 5,470.86
  4. Step 4: Simplify right side
    11,089.38x = 90,936,197.25
  5. Step 5: Solve for x
    x = 90,936,197.25/11,089.38
  6. Step 6: Final answer
    x = 8,200.30

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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.