Home / 11,205.39-15,463.32-6,169.51

Finding the Fourth Proportional to 11,205.39, 15,463.32 and 6,169.51

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Solution

The fourth proportional to 11,205.39, 15,463.32 and 6,169.51 is: 8,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.39 : 15,463.32 = 6,169.51 : x
  2. Step 2: Convert to fraction form
    11,205.39/15,463.32 = 6,169.51/x
  3. Step 3: Cross multiply
    11,205.39x = 15,463.32 × 6,169.51
  4. Step 4: Simplify right side
    11,205.39x = 95,401,103.57
  5. Step 5: Solve for x
    x = 95,401,103.57/11,205.39
  6. Step 6: Final answer
    x = 8,513.86

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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.