Home / 19,904.68-27,469.12-10,952.84

Finding the Fourth Proportional to 19,904.68, 27,469.12 and 10,952.84

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Solution

The fourth proportional to 19,904.68, 27,469.12 and 10,952.84 is: 15,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.68 : 27,469.12 = 10,952.84 : x
  2. Step 2: Convert to fraction form
    19,904.68/27,469.12 = 10,952.84/x
  3. Step 3: Cross multiply
    19,904.68x = 27,469.12 × 10,952.84
  4. Step 4: Simplify right side
    19,904.68x = 300,864,876.30
  5. Step 5: Solve for x
    x = 300,864,876.30/19,904.68
  6. Step 6: Final answer
    x = 15,115.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.