Home / 11,281.33-16,923.62-3,490.75

Finding the Fourth Proportional to 11,281.33, 16,923.62 and 3,490.75

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Solution

The fourth proportional to 11,281.33, 16,923.62 and 3,490.75 is: 5,236.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.33 : 16,923.62 = 3,490.75 : x
  2. Step 2: Convert to fraction form
    11,281.33/16,923.62 = 3,490.75/x
  3. Step 3: Cross multiply
    11,281.33x = 16,923.62 × 3,490.75
  4. Step 4: Simplify right side
    11,281.33x = 59,076,126.52
  5. Step 5: Solve for x
    x = 59,076,126.52/11,281.33
  6. Step 6: Final answer
    x = 5,236.63

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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.