Home / 10,919.07-16,377.66-4,343.49

Finding the Fourth Proportional to 10,919.07, 16,377.66 and 4,343.49

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Solution

The fourth proportional to 10,919.07, 16,377.66 and 4,343.49 is: 6,514.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.07 : 16,377.66 = 4,343.49 : x
  2. Step 2: Convert to fraction form
    10,919.07/16,377.66 = 4,343.49/x
  3. Step 3: Cross multiply
    10,919.07x = 16,377.66 × 4,343.49
  4. Step 4: Simplify right side
    10,919.07x = 71,136,202.43
  5. Step 5: Solve for x
    x = 71,136,202.43/10,919.07
  6. Step 6: Final answer
    x = 6,514.86

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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.