Home / 10,919.26-16,376.46-4,343.68

Finding the Fourth Proportional to 10,919.26, 16,376.46 and 4,343.68

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Solution

The fourth proportional to 10,919.26, 16,376.46 and 4,343.68 is: 6,514.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.26 : 16,376.46 = 4,343.68 : x
  2. Step 2: Convert to fraction form
    10,919.26/16,376.46 = 4,343.68/x
  3. Step 3: Cross multiply
    10,919.26x = 16,376.46 × 4,343.68
  4. Step 4: Simplify right side
    10,919.26x = 71,134,101.77
  5. Step 5: Solve for x
    x = 71,134,101.77/10,919.26
  6. Step 6: Final answer
    x = 6,514.55

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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.