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Finding the Fourth Proportional to 15,796.13, 21,799.94 and 9,083.94

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Solution

The fourth proportional to 15,796.13, 21,799.94 and 9,083.94 is: 12,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796.13 : 21,799.94 = 9,083.94 : x
  2. Step 2: Convert to fraction form
    15,796.13/21,799.94 = 9,083.94/x
  3. Step 3: Cross multiply
    15,796.13x = 21,799.94 × 9,083.94
  4. Step 4: Simplify right side
    15,796.13x = 198,029,346.96
  5. Step 5: Solve for x
    x = 198,029,346.96/15,796.13
  6. Step 6: Final answer
    x = 12,536.57

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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.