Home / 11,484.12-17,180.82-8,205.24

Finding the Fourth Proportional to 11,484.12, 17,180.82 and 8,205.24

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Solution

The fourth proportional to 11,484.12, 17,180.82 and 8,205.24 is: 12,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.12 : 17,180.82 = 8,205.24 : x
  2. Step 2: Convert to fraction form
    11,484.12/17,180.82 = 8,205.24/x
  3. Step 3: Cross multiply
    11,484.12x = 17,180.82 × 8,205.24
  4. Step 4: Simplify right side
    11,484.12x = 140,972,751.50
  5. Step 5: Solve for x
    x = 140,972,751.50/11,484.12
  6. Step 6: Final answer
    x = 12,275.45

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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.