Home / 11,205.98-15,464.62-6,170.72

Finding the Fourth Proportional to 11,205.98, 15,464.62 and 6,170.72

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Solution

The fourth proportional to 11,205.98, 15,464.62 and 6,170.72 is: 8,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.98 : 15,464.62 = 6,170.72 : x
  2. Step 2: Convert to fraction form
    11,205.98/15,464.62 = 6,170.72/x
  3. Step 3: Cross multiply
    11,205.98x = 15,464.62 × 6,170.72
  4. Step 4: Simplify right side
    11,205.98x = 95,427,839.93
  5. Step 5: Solve for x
    x = 95,427,839.93/11,205.98
  6. Step 6: Final answer
    x = 8,515.80

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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.