Home / 11,237.25-16,770.42-9,991.73

Finding the Fourth Proportional to 11,237.25, 16,770.42 and 9,991.73

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Solution

The fourth proportional to 11,237.25, 16,770.42 and 9,991.73 is: 14,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.25 : 16,770.42 = 9,991.73 : x
  2. Step 2: Convert to fraction form
    11,237.25/16,770.42 = 9,991.73/x
  3. Step 3: Cross multiply
    11,237.25x = 16,770.42 × 9,991.73
  4. Step 4: Simplify right side
    11,237.25x = 167,565,424.77
  5. Step 5: Solve for x
    x = 167,565,424.77/11,237.25
  6. Step 6: Final answer
    x = 14,911.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.