Home / 19,613.82-27,067.26-10,661.35

Finding the Fourth Proportional to 19,613.82, 27,067.26 and 10,661.35

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Solution

The fourth proportional to 19,613.82, 27,067.26 and 10,661.35 is: 14,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.82 : 27,067.26 = 10,661.35 : x
  2. Step 2: Convert to fraction form
    19,613.82/27,067.26 = 10,661.35/x
  3. Step 3: Cross multiply
    19,613.82x = 27,067.26 × 10,661.35
  4. Step 4: Simplify right side
    19,613.82x = 288,573,532.40
  5. Step 5: Solve for x
    x = 288,573,532.40/19,613.82
  6. Step 6: Final answer
    x = 14,712.77

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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.