Home / 11,333.55-17,000.46-3,938.79

Finding the Fourth Proportional to 11,333.55, 17,000.46 and 3,938.79

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Solution

The fourth proportional to 11,333.55, 17,000.46 and 3,938.79 is: 5,908.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.55 : 17,000.46 = 3,938.79 : x
  2. Step 2: Convert to fraction form
    11,333.55/17,000.46 = 3,938.79/x
  3. Step 3: Cross multiply
    11,333.55x = 17,000.46 × 3,938.79
  4. Step 4: Simplify right side
    11,333.55x = 66,961,241.84
  5. Step 5: Solve for x
    x = 66,961,241.84/11,333.55
  6. Step 6: Final answer
    x = 5,908.23

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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.