Home / 12,786.62-17,650.59-9,015.26

Finding the Fourth Proportional to 12,786.62, 17,650.59 and 9,015.26

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Solution

The fourth proportional to 12,786.62, 17,650.59 and 9,015.26 is: 12,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.62 : 17,650.59 = 9,015.26 : x
  2. Step 2: Convert to fraction form
    12,786.62/17,650.59 = 9,015.26/x
  3. Step 3: Cross multiply
    12,786.62x = 17,650.59 × 9,015.26
  4. Step 4: Simplify right side
    12,786.62x = 159,124,658.00
  5. Step 5: Solve for x
    x = 159,124,658.00/12,786.62
  6. Step 6: Final answer
    x = 12,444.62

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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.