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Finding the Fourth Proportional to 11,237.56, 16,859.98 and 5,394.62

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Solution

The fourth proportional to 11,237.56, 16,859.98 and 5,394.62 is: 8,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.56 : 16,859.98 = 5,394.62 : x
  2. Step 2: Convert to fraction form
    11,237.56/16,859.98 = 5,394.62/x
  3. Step 3: Cross multiply
    11,237.56x = 16,859.98 × 5,394.62
  4. Step 4: Simplify right side
    11,237.56x = 90,953,185.31
  5. Step 5: Solve for x
    x = 90,953,185.31/11,237.56
  6. Step 6: Final answer
    x = 8,093.68

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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.