Home / 21,052.06-29,052.08-11,620.62

Finding the Fourth Proportional to 21,052.06, 29,052.08 and 11,620.62

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Solution

The fourth proportional to 21,052.06, 29,052.08 and 11,620.62 is: 16,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.06 : 29,052.08 = 11,620.62 : x
  2. Step 2: Convert to fraction form
    21,052.06/29,052.08 = 11,620.62/x
  3. Step 3: Cross multiply
    21,052.06x = 29,052.08 × 11,620.62
  4. Step 4: Simplify right side
    21,052.06x = 337,603,181.89
  5. Step 5: Solve for x
    x = 337,603,181.89/21,052.06
  6. Step 6: Final answer
    x = 16,036.59

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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.