Home / 17,238.73-25,870.97-12,806.64

Finding the Fourth Proportional to 17,238.73, 25,870.97 and 12,806.64

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Solution

The fourth proportional to 17,238.73, 25,870.97 and 12,806.64 is: 19,219.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.73 : 25,870.97 = 12,806.64 : x
  2. Step 2: Convert to fraction form
    17,238.73/25,870.97 = 12,806.64/x
  3. Step 3: Cross multiply
    17,238.73x = 25,870.97 × 12,806.64
  4. Step 4: Simplify right side
    17,238.73x = 331,320,199.24
  5. Step 5: Solve for x
    x = 331,320,199.24/17,238.73
  6. Step 6: Final answer
    x = 19,219.52

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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.