Home / 11,153.25-16,732.31-4,227.75

Finding the Fourth Proportional to 11,153.25, 16,732.31 and 4,227.75

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Solution

The fourth proportional to 11,153.25, 16,732.31 and 4,227.75 is: 6,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.25 : 16,732.31 = 4,227.75 : x
  2. Step 2: Convert to fraction form
    11,153.25/16,732.31 = 4,227.75/x
  3. Step 3: Cross multiply
    11,153.25x = 16,732.31 × 4,227.75
  4. Step 4: Simplify right side
    11,153.25x = 70,740,002.46
  5. Step 5: Solve for x
    x = 70,740,002.46/11,153.25
  6. Step 6: Final answer
    x = 6,342.55

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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.