Home / 11,225.25-16,840.31-4,299.75

Finding the Fourth Proportional to 11,225.25, 16,840.31 and 4,299.75

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Solution

The fourth proportional to 11,225.25, 16,840.31 and 4,299.75 is: 6,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.25 : 16,840.31 = 4,299.75 : x
  2. Step 2: Convert to fraction form
    11,225.25/16,840.31 = 4,299.75/x
  3. Step 3: Cross multiply
    11,225.25x = 16,840.31 × 4,299.75
  4. Step 4: Simplify right side
    11,225.25x = 72,409,101.42
  5. Step 5: Solve for x
    x = 72,409,101.42/11,225.25
  6. Step 6: Final answer
    x = 6,450.56

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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.