Home / 17,786.75-24,545.70-9,828.90

Finding the Fourth Proportional to 17,786.75, 24,545.70 and 9,828.90

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Solution

The fourth proportional to 17,786.75, 24,545.70 and 9,828.90 is: 13,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.75 : 24,545.70 = 9,828.90 : x
  2. Step 2: Convert to fraction form
    17,786.75/24,545.70 = 9,828.90/x
  3. Step 3: Cross multiply
    17,786.75x = 24,545.70 × 9,828.90
  4. Step 4: Simplify right side
    17,786.75x = 241,257,230.73
  5. Step 5: Solve for x
    x = 241,257,230.73/17,786.75
  6. Step 6: Final answer
    x = 13,563.88

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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.