Home / 21,066.18-29,069.85-11,634

Finding the Fourth Proportional to 21,066.18, 29,069.85 and 11,634

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Solution

The fourth proportional to 21,066.18, 29,069.85 and 11,634 is: 16,054.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.18 : 29,069.85 = 11,634 : x
  2. Step 2: Convert to fraction form
    21,066.18/29,069.85 = 11,634/x
  3. Step 3: Cross multiply
    21,066.18x = 29,069.85 × 11,634
  4. Step 4: Simplify right side
    21,066.18x = 338,198,634.90
  5. Step 5: Solve for x
    x = 338,198,634.90/21,066.18
  6. Step 6: Final answer
    x = 16,054.10

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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.