Home / 21,230.33-29,297.04-11,799.50

Finding the Fourth Proportional to 21,230.33, 29,297.04 and 11,799.50

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Solution

The fourth proportional to 21,230.33, 29,297.04 and 11,799.50 is: 16,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230.33 : 29,297.04 = 11,799.50 : x
  2. Step 2: Convert to fraction form
    21,230.33/29,297.04 = 11,799.50/x
  3. Step 3: Cross multiply
    21,230.33x = 29,297.04 × 11,799.50
  4. Step 4: Simplify right side
    21,230.33x = 345,690,276.99
  5. Step 5: Solve for x
    x = 345,690,276.99/21,230.33
  6. Step 6: Final answer
    x = 16,282.85

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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.