Home / 21,035.46-29,028.06-11,603.82

Finding the Fourth Proportional to 21,035.46, 29,028.06 and 11,603.82

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Solution

The fourth proportional to 21,035.46, 29,028.06 and 11,603.82 is: 16,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.46 : 29,028.06 = 11,603.82 : x
  2. Step 2: Convert to fraction form
    21,035.46/29,028.06 = 11,603.82/x
  3. Step 3: Cross multiply
    21,035.46x = 29,028.06 × 11,603.82
  4. Step 4: Simplify right side
    21,035.46x = 336,836,383.19
  5. Step 5: Solve for x
    x = 336,836,383.19/21,035.46
  6. Step 6: Final answer
    x = 16,012.79

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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.