Home / 12,759.32-17,601.73-8,284.48

Finding the Fourth Proportional to 12,759.32, 17,601.73 and 8,284.48

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Solution

The fourth proportional to 12,759.32, 17,601.73 and 8,284.48 is: 11,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.32 : 17,601.73 = 8,284.48 : x
  2. Step 2: Convert to fraction form
    12,759.32/17,601.73 = 8,284.48/x
  3. Step 3: Cross multiply
    12,759.32x = 17,601.73 × 8,284.48
  4. Step 4: Simplify right side
    12,759.32x = 145,821,115.43
  5. Step 5: Solve for x
    x = 145,821,115.43/12,759.32
  6. Step 6: Final answer
    x = 11,428.59

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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.