Home / 21,050.05-29,049.31-11,618.62

Finding the Fourth Proportional to 21,050.05, 29,049.31 and 11,618.62

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Solution

The fourth proportional to 21,050.05, 29,049.31 and 11,618.62 is: 16,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.05 : 29,049.31 = 11,618.62 : x
  2. Step 2: Convert to fraction form
    21,050.05/29,049.31 = 11,618.62/x
  3. Step 3: Cross multiply
    21,050.05x = 29,049.31 × 11,618.62
  4. Step 4: Simplify right side
    21,050.05x = 337,512,894.15
  5. Step 5: Solve for x
    x = 337,512,894.15/21,050.05
  6. Step 6: Final answer
    x = 16,033.83

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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.