Home / 11,327.53-16,969.33-8,991.85

Finding the Fourth Proportional to 11,327.53, 16,969.33 and 8,991.85

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Solution

The fourth proportional to 11,327.53, 16,969.33 and 8,991.85 is: 13,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.53 : 16,969.33 = 8,991.85 : x
  2. Step 2: Convert to fraction form
    11,327.53/16,969.33 = 8,991.85/x
  3. Step 3: Cross multiply
    11,327.53x = 16,969.33 × 8,991.85
  4. Step 4: Simplify right side
    11,327.53x = 152,585,669.96
  5. Step 5: Solve for x
    x = 152,585,669.96/11,327.53
  6. Step 6: Final answer
    x = 13,470.34

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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.