Home / 19,725.21-29,627.64-11,842.73

Finding the Fourth Proportional to 19,725.21, 29,627.64 and 11,842.73

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Solution

The fourth proportional to 19,725.21, 29,627.64 and 11,842.73 is: 17,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725.21 : 29,627.64 = 11,842.73 : x
  2. Step 2: Convert to fraction form
    19,725.21/29,627.64 = 11,842.73/x
  3. Step 3: Cross multiply
    19,725.21x = 29,627.64 × 11,842.73
  4. Step 4: Simplify right side
    19,725.21x = 350,872,215.13
  5. Step 5: Solve for x
    x = 350,872,215.13/19,725.21
  6. Step 6: Final answer
    x = 17,788.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.