Home / 19,694.22-29,507.91-11,886.63

Finding the Fourth Proportional to 19,694.22, 29,507.91 and 11,886.63

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Solution

The fourth proportional to 19,694.22, 29,507.91 and 11,886.63 is: 17,809.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,694.22 : 29,507.91 = 11,886.63 : x
  2. Step 2: Convert to fraction form
    19,694.22/29,507.91 = 11,886.63/x
  3. Step 3: Cross multiply
    19,694.22x = 29,507.91 × 11,886.63
  4. Step 4: Simplify right side
    19,694.22x = 350,749,608.24
  5. Step 5: Solve for x
    x = 350,749,608.24/19,694.22
  6. Step 6: Final answer
    x = 17,809.77

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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.