Home / 11,935.12-17,902.68-3,615.04

Finding the Fourth Proportional to 11,935.12, 17,902.68 and 3,615.04

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Solution

The fourth proportional to 11,935.12, 17,902.68 and 3,615.04 is: 5,422.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.12 : 17,902.68 = 3,615.04 : x
  2. Step 2: Convert to fraction form
    11,935.12/17,902.68 = 3,615.04/x
  3. Step 3: Cross multiply
    11,935.12x = 17,902.68 × 3,615.04
  4. Step 4: Simplify right side
    11,935.12x = 64,718,904.31
  5. Step 5: Solve for x
    x = 64,718,904.31/11,935.12
  6. Step 6: Final answer
    x = 5,422.56

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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.