Home / 12,690.37-17,481.42-10,795.88

Finding the Fourth Proportional to 12,690.37, 17,481.42 and 10,795.88

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Solution

The fourth proportional to 12,690.37, 17,481.42 and 10,795.88 is: 14,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,690.37 : 17,481.42 = 10,795.88 : x
  2. Step 2: Convert to fraction form
    12,690.37/17,481.42 = 10,795.88/x
  3. Step 3: Cross multiply
    12,690.37x = 17,481.42 × 10,795.88
  4. Step 4: Simplify right side
    12,690.37x = 188,727,356.25
  5. Step 5: Solve for x
    x = 188,727,356.25/12,690.37
  6. Step 6: Final answer
    x = 14,871.70

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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.