Home / 12,635.82-17,428.03-9,277.58

Finding the Fourth Proportional to 12,635.82, 17,428.03 and 9,277.58

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Solution

The fourth proportional to 12,635.82, 17,428.03 and 9,277.58 is: 12,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.82 : 17,428.03 = 9,277.58 : x
  2. Step 2: Convert to fraction form
    12,635.82/17,428.03 = 9,277.58/x
  3. Step 3: Cross multiply
    12,635.82x = 17,428.03 × 9,277.58
  4. Step 4: Simplify right side
    12,635.82x = 161,689,942.57
  5. Step 5: Solve for x
    x = 161,689,942.57/12,635.82
  6. Step 6: Final answer
    x = 12,796.16

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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.