Home / 21,544.33-29,730.64-11,984.19

Finding the Fourth Proportional to 21,544.33, 29,730.64 and 11,984.19

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Solution

The fourth proportional to 21,544.33, 29,730.64 and 11,984.19 is: 16,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.33 : 29,730.64 = 11,984.19 : x
  2. Step 2: Convert to fraction form
    21,544.33/29,730.64 = 11,984.19/x
  3. Step 3: Cross multiply
    21,544.33x = 29,730.64 × 11,984.19
  4. Step 4: Simplify right side
    21,544.33x = 356,297,638.58
  5. Step 5: Solve for x
    x = 356,297,638.58/21,544.33
  6. Step 6: Final answer
    x = 16,537.88

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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.