Home / 19,707.26-27,195.84-12,150.58

Finding the Fourth Proportional to 19,707.26, 27,195.84 and 12,150.58

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Solution

The fourth proportional to 19,707.26, 27,195.84 and 12,150.58 is: 16,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,707.26 : 27,195.84 = 12,150.58 : x
  2. Step 2: Convert to fraction form
    19,707.26/27,195.84 = 12,150.58/x
  3. Step 3: Cross multiply
    19,707.26x = 27,195.84 × 12,150.58
  4. Step 4: Simplify right side
    19,707.26x = 330,445,229.59
  5. Step 5: Solve for x
    x = 330,445,229.59/19,707.26
  6. Step 6: Final answer
    x = 16,767.69

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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.