Home / 17,147.32-25,685.20-13,797.52

Finding the Fourth Proportional to 17,147.32, 25,685.20 and 13,797.52

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Solution

The fourth proportional to 17,147.32, 25,685.20 and 13,797.52 is: 20,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,147.32 : 25,685.20 = 13,797.52 : x
  2. Step 2: Convert to fraction form
    17,147.32/25,685.20 = 13,797.52/x
  3. Step 3: Cross multiply
    17,147.32x = 25,685.20 × 13,797.52
  4. Step 4: Simplify right side
    17,147.32x = 354,392,060.70
  5. Step 5: Solve for x
    x = 354,392,060.70/17,147.32
  6. Step 6: Final answer
    x = 20,667.49

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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.