Home / 19,613.89-27,067.44-10,661.39

Finding the Fourth Proportional to 19,613.89, 27,067.44 and 10,661.39

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Solution

The fourth proportional to 19,613.89, 27,067.44 and 10,661.39 is: 14,712.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.89 : 27,067.44 = 10,661.39 : x
  2. Step 2: Convert to fraction form
    19,613.89/27,067.44 = 10,661.39/x
  3. Step 3: Cross multiply
    19,613.89x = 27,067.44 × 10,661.39
  4. Step 4: Simplify right side
    19,613.89x = 288,576,534.14
  5. Step 5: Solve for x
    x = 288,576,534.14/19,613.89
  6. Step 6: Final answer
    x = 14,712.87

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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.