Home / 12,171.37-16,796.99-6,866.18

Finding the Fourth Proportional to 12,171.37, 16,796.99 and 6,866.18

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Solution

The fourth proportional to 12,171.37, 16,796.99 and 6,866.18 is: 9,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171.37 : 16,796.99 = 6,866.18 : x
  2. Step 2: Convert to fraction form
    12,171.37/16,796.99 = 6,866.18/x
  3. Step 3: Cross multiply
    12,171.37x = 16,796.99 × 6,866.18
  4. Step 4: Simplify right side
    12,171.37x = 115,331,215.96
  5. Step 5: Solve for x
    x = 115,331,215.96/12,171.37
  6. Step 6: Final answer
    x = 9,475.62

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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.