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Finding the Fourth Proportional to 11,995.67, 17,993.55 and 4,602.39

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Solution

The fourth proportional to 11,995.67, 17,993.55 and 4,602.39 is: 6,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,995.67 : 17,993.55 = 4,602.39 : x
  2. Step 2: Convert to fraction form
    11,995.67/17,993.55 = 4,602.39/x
  3. Step 3: Cross multiply
    11,995.67x = 17,993.55 × 4,602.39
  4. Step 4: Simplify right side
    11,995.67x = 82,813,334.58
  5. Step 5: Solve for x
    x = 82,813,334.58/11,995.67
  6. Step 6: Final answer
    x = 6,903.61

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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.