Home / 11,919.23-16,441.65-7,435.19

Finding the Fourth Proportional to 11,919.23, 16,441.65 and 7,435.19

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Solution

The fourth proportional to 11,919.23, 16,441.65 and 7,435.19 is: 10,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.23 : 16,441.65 = 7,435.19 : x
  2. Step 2: Convert to fraction form
    11,919.23/16,441.65 = 7,435.19/x
  3. Step 3: Cross multiply
    11,919.23x = 16,441.65 × 7,435.19
  4. Step 4: Simplify right side
    11,919.23x = 122,246,791.66
  5. Step 5: Solve for x
    x = 122,246,791.66/11,919.23
  6. Step 6: Final answer
    x = 10,256.27

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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.