Home / 21,034.98-29,028.21-11,603.54

Finding the Fourth Proportional to 21,034.98, 29,028.21 and 11,603.54

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Solution

The fourth proportional to 21,034.98, 29,028.21 and 11,603.54 is: 16,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.98 : 29,028.21 = 11,603.54 : x
  2. Step 2: Convert to fraction form
    21,034.98/29,028.21 = 11,603.54/x
  3. Step 3: Cross multiply
    21,034.98x = 29,028.21 × 11,603.54
  4. Step 4: Simplify right side
    21,034.98x = 336,829,850.72
  5. Step 5: Solve for x
    x = 336,829,850.72/21,034.98
  6. Step 6: Final answer
    x = 16,012.84

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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.