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Finding the Fourth Proportional to 11,362.82, 17,028.48 and 8,587.22

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Solution

The fourth proportional to 11,362.82, 17,028.48 and 8,587.22 is: 12,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.82 : 17,028.48 = 8,587.22 : x
  2. Step 2: Convert to fraction form
    11,362.82/17,028.48 = 8,587.22/x
  3. Step 3: Cross multiply
    11,362.82x = 17,028.48 × 8,587.22
  4. Step 4: Simplify right side
    11,362.82x = 146,227,304.03
  5. Step 5: Solve for x
    x = 146,227,304.03/11,362.82
  6. Step 6: Final answer
    x = 12,868.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.