Home / 11,919.43-16,441.97-7,435.39

Finding the Fourth Proportional to 11,919.43, 16,441.97 and 7,435.39

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Solution

The fourth proportional to 11,919.43, 16,441.97 and 7,435.39 is: 10,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.43 : 16,441.97 = 7,435.39 : x
  2. Step 2: Convert to fraction form
    11,919.43/16,441.97 = 7,435.39/x
  3. Step 3: Cross multiply
    11,919.43x = 16,441.97 × 7,435.39
  4. Step 4: Simplify right side
    11,919.43x = 122,252,459.32
  5. Step 5: Solve for x
    x = 122,252,459.32/11,919.43
  6. Step 6: Final answer
    x = 10,256.57

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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.