Home / 11,937.12-17,905.68-3,617.04

Finding the Fourth Proportional to 11,937.12, 17,905.68 and 3,617.04

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Solution

The fourth proportional to 11,937.12, 17,905.68 and 3,617.04 is: 5,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.12 : 17,905.68 = 3,617.04 : x
  2. Step 2: Convert to fraction form
    11,937.12/17,905.68 = 3,617.04/x
  3. Step 3: Cross multiply
    11,937.12x = 17,905.68 × 3,617.04
  4. Step 4: Simplify right side
    11,937.12x = 64,765,560.79
  5. Step 5: Solve for x
    x = 64,765,560.79/11,937.12
  6. Step 6: Final answer
    x = 5,425.56

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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.