Home / 21,250.46-29,326.74-11,819

Finding the Fourth Proportional to 21,250.46, 29,326.74 and 11,819

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Solution

The fourth proportional to 21,250.46, 29,326.74 and 11,819 is: 16,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.46 : 29,326.74 = 11,819 : x
  2. Step 2: Convert to fraction form
    21,250.46/29,326.74 = 11,819/x
  3. Step 3: Cross multiply
    21,250.46x = 29,326.74 × 11,819
  4. Step 4: Simplify right side
    21,250.46x = 346,612,740.06
  5. Step 5: Solve for x
    x = 346,612,740.06/21,250.46
  6. Step 6: Final answer
    x = 16,310.83

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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.