Home / 19,415.27-26,792.84-10,918.82

Finding the Fourth Proportional to 19,415.27, 26,792.84 and 10,918.82

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Solution

The fourth proportional to 19,415.27, 26,792.84 and 10,918.82 is: 15,067.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415.27 : 26,792.84 = 10,918.82 : x
  2. Step 2: Convert to fraction form
    19,415.27/26,792.84 = 10,918.82/x
  3. Step 3: Cross multiply
    19,415.27x = 26,792.84 × 10,918.82
  4. Step 4: Simplify right side
    19,415.27x = 292,546,197.25
  5. Step 5: Solve for x
    x = 292,546,197.25/19,415.27
  6. Step 6: Final answer
    x = 15,067.84

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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.