Home / 11,760.08-16,229.05-6,454.78

Finding the Fourth Proportional to 11,760.08, 16,229.05 and 6,454.78

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Solution

The fourth proportional to 11,760.08, 16,229.05 and 6,454.78 is: 8,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.08 : 16,229.05 = 6,454.78 : x
  2. Step 2: Convert to fraction form
    11,760.08/16,229.05 = 6,454.78/x
  3. Step 3: Cross multiply
    11,760.08x = 16,229.05 × 6,454.78
  4. Step 4: Simplify right side
    11,760.08x = 104,754,890.65
  5. Step 5: Solve for x
    x = 104,754,890.65/11,760.08
  6. Step 6: Final answer
    x = 8,907.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.