Home / 12,424.25-17,145.78-6,759.32

Finding the Fourth Proportional to 12,424.25, 17,145.78 and 6,759.32

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Solution

The fourth proportional to 12,424.25, 17,145.78 and 6,759.32 is: 9,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.25 : 17,145.78 = 6,759.32 : x
  2. Step 2: Convert to fraction form
    12,424.25/17,145.78 = 6,759.32/x
  3. Step 3: Cross multiply
    12,424.25x = 17,145.78 × 6,759.32
  4. Step 4: Simplify right side
    12,424.25x = 115,893,727.94
  5. Step 5: Solve for x
    x = 115,893,727.94/12,424.25
  6. Step 6: Final answer
    x = 9,328.03

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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.