Home / 11,876.91-17,815.58-4,484.85

Finding the Fourth Proportional to 11,876.91, 17,815.58 and 4,484.85

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Solution

The fourth proportional to 11,876.91, 17,815.58 and 4,484.85 is: 6,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.91 : 17,815.58 = 4,484.85 : x
  2. Step 2: Convert to fraction form
    11,876.91/17,815.58 = 4,484.85/x
  3. Step 3: Cross multiply
    11,876.91x = 17,815.58 × 4,484.85
  4. Step 4: Simplify right side
    11,876.91x = 79,900,181.54
  5. Step 5: Solve for x
    x = 79,900,181.54/11,876.91
  6. Step 6: Final answer
    x = 6,727.35

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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.