Home / 12,741.87-17,583.84-7,076.73

Finding the Fourth Proportional to 12,741.87, 17,583.84 and 7,076.73

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Solution

The fourth proportional to 12,741.87, 17,583.84 and 7,076.73 is: 9,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.87 : 17,583.84 = 7,076.73 : x
  2. Step 2: Convert to fraction form
    12,741.87/17,583.84 = 7,076.73/x
  3. Step 3: Cross multiply
    12,741.87x = 17,583.84 × 7,076.73
  4. Step 4: Simplify right side
    12,741.87x = 124,436,088.04
  5. Step 5: Solve for x
    x = 124,436,088.04/12,741.87
  6. Step 6: Final answer
    x = 9,765.92

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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.