Home / 8,936.46-12,331.44-5,159.97

Finding the Fourth Proportional to 8,936.46, 12,331.44 and 5,159.97

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Solution

The fourth proportional to 8,936.46, 12,331.44 and 5,159.97 is: 7,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.46 : 12,331.44 = 5,159.97 : x
  2. Step 2: Convert to fraction form
    8,936.46/12,331.44 = 5,159.97/x
  3. Step 3: Cross multiply
    8,936.46x = 12,331.44 × 5,159.97
  4. Step 4: Simplify right side
    8,936.46x = 63,629,860.46
  5. Step 5: Solve for x
    x = 63,629,860.46/8,936.46
  6. Step 6: Final answer
    x = 7,120.25

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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.