Home / 17,378.28-23,982.12-13,392

Finding the Fourth Proportional to 17,378.28, 23,982.12 and 13,392

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Solution

The fourth proportional to 17,378.28, 23,982.12 and 13,392 is: 18,481.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.28 : 23,982.12 = 13,392 : x
  2. Step 2: Convert to fraction form
    17,378.28/23,982.12 = 13,392/x
  3. Step 3: Cross multiply
    17,378.28x = 23,982.12 × 13,392
  4. Step 4: Simplify right side
    17,378.28x = 321,168,551.04
  5. Step 5: Solve for x
    x = 321,168,551.04/17,378.28
  6. Step 6: Final answer
    x = 18,481.03

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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.