Home / 11,157.35-16,730.55-4,919.54

Finding the Fourth Proportional to 11,157.35, 16,730.55 and 4,919.54

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Solution

The fourth proportional to 11,157.35, 16,730.55 and 4,919.54 is: 7,376.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.35 : 16,730.55 = 4,919.54 : x
  2. Step 2: Convert to fraction form
    11,157.35/16,730.55 = 4,919.54/x
  3. Step 3: Cross multiply
    11,157.35x = 16,730.55 × 4,919.54
  4. Step 4: Simplify right side
    11,157.35x = 82,306,526.29
  5. Step 5: Solve for x
    x = 82,306,526.29/11,157.35
  6. Step 6: Final answer
    x = 7,376.89

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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.