Home / 11,624.72-17,438.90-4,601.21

Finding the Fourth Proportional to 11,624.72, 17,438.90 and 4,601.21

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Solution

The fourth proportional to 11,624.72, 17,438.90 and 4,601.21 is: 6,902.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,624.72 : 17,438.90 = 4,601.21 : x
  2. Step 2: Convert to fraction form
    11,624.72/17,438.90 = 4,601.21/x
  3. Step 3: Cross multiply
    11,624.72x = 17,438.90 × 4,601.21
  4. Step 4: Simplify right side
    11,624.72x = 80,239,930.87
  5. Step 5: Solve for x
    x = 80,239,930.87/11,624.72
  6. Step 6: Final answer
    x = 6,902.53

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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.